Showing posts with label acer laptop battery. Show all posts
Showing posts with label acer laptop battery. Show all posts

Tuesday, 8 December 2009

DICP flow battery energy storage a step forward in the industrialization of engineering

DICP flow battery energy storage a step forward in the industrialization of engineering

DICP reporter learned yesterday from the Chinese Academy of Sciences, researchers led by Zhang Min independent Laptop Battery research group developed 2kW all vanadium flow storage batteries durability demonstration evaluation system, since July 6, 2007 model run since the beginning, is still without a failure, a continuous Run two years, the total running time of more than 17,500 hours to achieve charge / discharge cycle over 4,500 times. After testing, the battery module's energy conversion efficiency to find any attenuation. The results show that all vanadium flow storage batteries have excellent reliability and stability, which for its engineering and industrial development has laid a solid foundation.

After 9 years of technology accumulation, DICP flow energy storage battery in the theoretical research and application demonstration have achieved fruitful results. In 2006 and 2008, respectively, to develop China's first 10kW and 100kW vanadium redox flow battery energy storage system, respectively, through the Office of Liaoning Provincial Science and Technology appraisal, the Group believes that the technology is "the leading domestic and international advanced" level. In August 2008 with demonstrations in Tibet Solar Energy Research Center, in Tibet, a "solar photovoltaic power generation - Energy Storage Battery storage power flow," the joint application and demonstration of power supply system. Flow storage batteries has now completed the design and assembly, arrived in Lhasa, is working with the solar photovoltaic system for the FBI. In September 2008 for the national grid to provide a 100kW/200kWh vanadium redox flow battery energy storage system for battery and application Acer Aspire 2000 battery characteristics of the net inspection. In October 2008 with Bo Rong (Dalian) Industry Investment Co., Ltd. a joint venture set up a "melt in Dalian Branch Energy Storage Technology Development Co., Ltd.", specialized in engineering flow battery energy storage and industrial development.


Redox flow battery energy storage system as a cost-effective energy storage device has a broad application fields and market prospects. Including those for wind, solar and other renewable energy power generation systems to solve its power generation is not continuous instability characteristics; for the power system to regulate the client load balancing, to ensure stable operation of smart grid; charging stations for electric vehicles, electric vehicles to avoid the large current charging impact on the power grid; for high energy-consuming enterprises, Gu peak electricity use, reduce production costs; and communications applications in the telecommunications base stations, the state's important Acer BATCL32L battery sectors such as backup power plants. Flow battery energy storage technology development will bring huge social and economic benefits.


Vanadium redox flow battery energy storage through the positive and negative electrolyte solution in the activity of valence changes of vanadium ions to achieve electrical energy storage and release. Compared to other energy storage technologies, with output power and storage capacity can be independently designed and easy to meet different application needs; cycle life long; to the depth of discharge; energy conversion efficiency is high; Safety and Environmental Protection; low maintenance cost advantages, with strong technological competitiveness has become the storage Acer BATCL32 battery technology of choice for one of the technologies.


In a strong social development needs and a huge potential market-driven, the flow storage batteries for its own technological advantage received extensive attention, is ushering in a new period of vigorous development. But to achieve practical application and industrialization of many scientific issues and technical problems remain to be breakthrough, DICP is actively promoting the flow energy storage battery technology, engineering and industrialization process, in order to achieve national scale utilization of renewable energy and implement energy-saving policy to make a significant contribution to emission reduction.



Monday, 30 November 2009

Zongshen into a new field of energy devaluation lithium batteries and related power products

Zongshen into a new field of energy devaluation lithium batteries and related power products

Zuo Zongshen is promoting an ambitious plan, large enough to change Laptop Battery the Zongshen Group, the industry position. Recently held a semi-open technology forum, who started out making motorcycles, "Mount Gang" man of the publicly announced: Zongshen Group will lithium batteries as a starting point, a comprehensive new energy into the field; considerable reputation in this field of Boston Battery Co., Ltd., it is a new energy plan Zongshen's first partner.

technology and resources already available


Zongshen has launched a new energy plan, including lithium batteries, vanadium batteries, titanium batteries, super capacitors, and related power products, development, and manufacturing.


It is reported that earlier this month, Zongshen battery power has been signed with the Boston sample purchase agreement, in addition to jointly develop Latitude C610 lithium-battery power outside the system; years, the two sides will "further the depth of cooperation" negotiate.


In lithium resources, Zongshen has also been with bottom. Zuo Zongshen revealed that a few years ago Zongshen domestic and foreign investment in mining, although the pay some "fees", but also Zongshen foreshadowed a new energy plan, "on lithium resources, we now have a number of cooperative partners . "


Do first electric power systems provider


It is worth mentioning that after Zongshen Paim has been through Latitude C600 the acquisition of Canadian companies to grasp what is known as the "ultimate alternative energy," the core technology of hydrogen fuel cell.


In accordance with industry-recognized fuel - conventional batteries - lithium batteries - the evolution of hydrogen fuel-cell line, the new energy plan for the Zongshen padded, while the chain will also completely change their "power equipment manufacturers," the traditional position.


Zuo Zongshen recognized for some time, Zongshen positioning will be "electric power systems service provider." In addition to electric two-wheelers, tricycles, electric General Dynamics, marine power, and battery fast charge, sales, rotation and other supporting services, will become a broad and scope of Zongshen. To be lithium battery project "flourish", the "electric power" Latitude CPX Zongshen will be a gradual transition to a "new energy" Zongshen.


"Mount Gang Wang Chuanfu," seems ready to


This year in April, Chongqing Zongshen Paim manufacturing base in the bridge-building industrial park built count capacity in Jiangsu Province, this main attack clean-energy two-wheelers a subsidiary of Zongshen annual capacity of over 70 million.


Almost at the same time, Zongshen, and line-powered Inspiron 2500 R & D institutions at home and abroad began to move frequently. At present, Zongshen engine company has and Shanghai Oneida-driven technology companies build a project team, the first mature products are expected to be available next year.


Car + battery + system services, the future of business Zongshen composition, and now goes for a few budding BYD. The industry believes that the new energy industry development trend and the Zongshen Group, a wealth of domestic and international technical cooperation, financing platform for resources, "the Moroccan gang Wang Chuanfu" label, most is none other than the Inspiron 4100 non-Zuo Zongshen.

Thursday, 10 September 2009

It is to care and maintenance experience laptop and battery (b)

It is to care and maintenance experience laptop and battery (b)
Interface Maintenance


Of course, a variety of ports for laptop and battery Laptop Battery computers, such as the PCMCIA card port, VGA port, etc., we can usually also should be noted that when not in use as far as possible use of a dedicated button cover or an empty card sealed interface in order to avoid dust from these places into the host . The same time, carrying a laptop when they go out of these extensions should also try to unplug the connection equipment, so that they are Gedao, leading to interface loosening, wry and even broken.


Third, the depth of care


In understanding a number of routine use and maintenance of skills, we have a further extension for advanced users to introduce some means of life of laptop and battery computers. In fact, in the previous two sections we have briefly explained some, but here we will highlight some deep-rooted in the maintenance, care of laptop and battery computer skills.


Drive carefully with the


In fact, laptop computers above the real life of this issue involves only a few major parts, including hard drives, batteries, screens. Well, let us first for that bar TravelMate 240 most likely a bad hard drive! How can I extend its life? Of course, the first section of first do what we said above, in the hard work, try to avoid the collision time. After you do this and wanted to extend its life, you have to doing something in. Do not know if you paid attention to not, some people are often glitchy laptop hard drive, but some people drive very long time, not worked well. You may find it very strange that the same brand, same model of laptop and battery computers, different people use their hard life is not the same, but they are in love and care for their appearance, does not want to see it? In fact, the hard life of the length of the main users of the usual habits by the decision, here are a few tips to note:


1. Try not to start multiple parallel Copy task: in this way will make the operating system on the hard drive heads frequent shift arm scheduling, speed up the aging of the motor head, a long time the head will be easily lead to problems. The most common failure is a continuing BTP-60A1 issue in the boot when the caracara voice, and then is seen less than a hard drive, we must pay attention so as not to simultaneously start multiple Copy task, you can select more than one file Copy or wait in front of a task is completed before the next one Copy.


2. Try not to open multiple hard drives need to read the data in the application: In fact, the same principles and the above, this will also speed up the aging of the motor heads.


3. Disk Defragmenter on a regular basis, if necessary, is best able to format the computer, reinstall the system: Disk Defragmenter on a regular basis to do is actually a very good hard drive, which can make the file on the hard disk to re-arrange an orderly manner, when the right the time of their visit can be very fast to find, so increased efficiency in addressing the hard disk, reducing head movement. In addition, to reload the computer can also speed up the process speed. As the Disk Defragmenter program can only order documents that can move the share of the region, so there are a number of documents that can BTP-58A1 not be moved occupied area can not be sorted out and re-install the system to the entire boot sector file to re-organize, to do so Disk Defragmenter can get better results than that.


4. As far as possible hard work in the low temperature condition: When the hard work of the internal above a certain temperature, will be deformation due to high temperatures, when the disc may lead to increased friction on the motor and other issues will increase the hard disk probability of error.


The use of skills on the hard drive there are many, in fact, we are here only for some of the more common use in peacetime to correct errors, careful users may also find more tips, in short, you use the more carefully, laptops on will be more stable to work for you.


Points have to be careful


Here let us talk about the two relatively easy to a bad place, but not very interesting


1. Laptop computer screen opening and closing parts of the TravelMate 220 interface: this part is also very easy to bad, a lot of people using laptop and battery computers there will be some time after the screen has become a very live issue more seriously, can no longer be locked at a certain point of view , and can only rely on other objects, supports Caixing. The same time, the location of this convergence is also very easy to crack, so every time you open and close when the laptop and battery computer screen should try to put it mildly, a bit slower, and in peacetime, when using a laptop computer, we should also avoid the screen before and after the shaking frequently (for example, In the bumpy car, it's best to allow the screen to rely on his legs shake reduction), this problem likely would be greatly reduced, avoid opening and closing speed too fast and too!


2. Laptop computers with touch pad or mouse buttons bar: This section is relatively easy to bad, we tell you a little skill, you usually use the keys as far as possible by the middle of a time when the location of this would be inside the micro-switch Force uniform, and thus increase service life.


So far, we have introduced the screen, hard disk, keyboard, battery, and several other components relatively easy to bad maintenance methods BTP-43D1 and tips. Of course, this is only a large number of laptop and battery PC Maintenance Skills in the most commonly used part of the hope that you will benefit from our clout that. In fact, daily use, we believe you will conclude that these more useful than the above techniques to make your laptop work better

It is to care and maintenance experience laptop and battery (a)

It is to care and maintenance experience laptop and battery (a)


Newly purchased laptop computer users should be aware is the first Laptop Battery battery. Just started using a new battery when the electrical characteristics and the use of a period of time after the performance to differ materially, mainly reflected in the charging process will appear premature end (the phenomenon of false full), and washed after electrical power is not a lasting end. As we all know, these problems can be repeated by the user full charge / discharge to be improved in order to obtain the best performance of the battery. To note that although the new battery can be charged directly brought to use, but if the user at the beginning of improper use, the battery performance tends to reach the highest level. Just get in your new machine, after, please do not just charging the battery, due to laptop makers at the factory would charge a small portion of the battery power to carry out functional testing, so you get a laptop and battery computer, or have a certain remaining capacity, and ask you to first open the laptop and battery computer's power, will I put a clean electricity, and then to recharge. The general practice is the first row for the battery charge and discharge three times before we can allow the battery to fully preheat, the real potential to play a performance. Said here refers to the charging and discharging of the Aspire 1680 battery is full of user needs / discharge operation of the net, remember, must be filled, put a clean, and then filled with, came alive again in a clean, so to repeat 3 times. Then you can use a normal battery. Some laptop and battery computers have been set in the BIOS there are the battery calibration feature, users can more easily take the right laptop battery for regular maintenance in order to get the best battery state (. Now, congratulate you, your laptop battery can work in the best condition of the battery.


Battery longevity


The following is the king say a short-lived cells, and some domestic brands of laptop and battery computer batteries legends poor, and some even spent half a year before the bad. Really is that these laptop and battery manufacturers fault? Issues related to manufacturers that we put aside for the time being. Did you know that some bad habits in terms of battery is very negative and may lead directly to the battery in too short period of time come to an end, then we need to pay attention in the use of what?


1. As far as possible to exhaust the TravelMate 2300 battery before charging, charge must be filled with re-use: Although today's laptop and battery computers use lithium, and memory effect weakened, but the bad habits will continue to make it shorter life expectancy.


2. Do not charge the battery rainy: rainy days are often thunder, lightning caused by the current moment in terms of impact on the battery is extremely unfavorable.


3. Regular battery maintenance: If you can not guarantee every time when a rechargeable battery used in a thorough clean, it should be at least a month to carry out a standard charge and discharge (ie, after the place is full of clean and re-filled), or on a regular basis with the BIOS built-in battery calibration function to carry out maintenance, and thus extend the battery life is very good.


In addition, for newly purchased laptop, its screen is very fragile because, manufacturers tend to paste a layer of protective film-screen in order to achieve the purpose of protecting the screen, this layer of protective film before use is needed Jiediao, because if you do not Jie will seriously affect the image display screen. In the exposing process requires your attention, and some of the computer screen protection film paste very tight, at the time must be slower to expose some, along a corner of the screen, step by step tear off protective film. Do not force too much, too fast to avoid damage to the screen, so that TravelMate 4000 premature aging of yellowing. Here to remind users of laptop and battery computers for Jiexia Lai screen protective film, it is best not to throw away, Retention in the future maintenance of useful, specific practices will be re-introduced later.


For the intimate details of the user, you can also look for some screen protection film and make their own decorative plastic paste-like foil material, such as easy to wear attached to Satisfy the location to better care of your love machine . A similar design, we like the Sony, Acer and other details of some of the most emphasis on the use of laptop computers can also be seen above. In actual use, we recommend that you try not to take watches, bracelets and other items to use laptops, because it is very easy to inadvertently, severe wear wrist rest, giving laptops shed Daodao scars.


In addition, select a high quality TravelMate 290 laptop bag is also very necessary. After all, for most laptop and battery computers is that they were born to be brought brought in the appropriate laptop bag naturally give their most intimate protection. This is for a new laptop and battery computer users, perhaps more should be noted that not all laptops first wife of the package are really appropriate. And general office package is different from a truly well-designed laptop and battery computer bag should first have enough strength and protection of the four sides of insulation layer, in order to prop up a laptop safe and comfortable "love nest." Ordinary office packages often due to too much room and soft frame design, outsiders can not effectively isolate the backlog, and collision. Second, it should have a reasonable accessory compartment Bureau of the design, such as power supply should be placed in the laptop and battery computer compartment adjacent to the side in order to avoid being accidentally squeezed the power plug when the laptop and BATCL50L battery LCD screen scratched. Meanwhile, the laptop computer bag should also have some waterproof capability.


Second, routine maintenance


Laptop as a portable mobile computing devices, in fact, the major manufacturers in its robustness, durability and so a lot of work has been done, but another solid laptop and battery, also due to the user's negligence in the course of malfunctions. So how can we allow users to try to avoid mistakes in daily use it is this section we discuss the main issues.


Screensaver


In the previous paragraph we talk about the screen protection film, this layer of protective film we recommend that you do not use the laptop when it paste, using a laptop computer when the re-Jiexia Lai, so that you can effectively protect the screen, the outer chemical coating , so that the outermost coating is not prematurely oxidized. Users in the process of using a laptop, do not readily hand to refer to / by LCD screen, or touch the screen with a hard object, if you regularly pay attention to the words of a long time will appear on the LCD screen, such as white and India do not always wipe scars to go to when I really regretted it, and the. The new machine package usually with a layer of tissue paper, you can also this layer of tissue paper on the BTP-73E1 laptop computer between the screen and keyboard, thus reducing health cap between the screen and wear and tear. If your laptop and battery computer using the trackpoint, then we also recommend that you carry a laptop computer in the long-distance when they go out alone be able to remove the trackpoint cap storage, in order to avoid the screen being top of injury.


"Water" is one of a laptop and battery computer's "natural enemy", in addition to the computer side to avoid drinking beverages, eating fruit, it should also be careful not to be stored in damp at the machine, serious moisture damage inside the liquid crystal display components. Of particular note is that in the winter and summer, and out of a heating or air-conditioned room, a large temperature difference will lead to "condensation" occurred, the user at this time electricity to the LCD liquid crystal electrodes may also lead to corrosion, resulting in permanent nature of damage. This end, we also recommend that you change the ambient temperature should not exceed 10 ℃ / 10min. Water situation in the event of the screen, if we only discovered in the boot before the screen surface of mist, gently wipe with a soft cloth and then boot on it. If water has entered the LCD, the LCD should be placed in warmer places, such as table lamps, will gradually evaporate the moisture inside. In the rainy season, we should pay attention to on a regular basis for some time to run BTP-550P laptop computers, in order to disperse the tidal heating component, preferably also in a laptop and battery bag and put a packet of moisture-proof agent, for the love machine to create a good home.


For the screen and maintenance, in addition to attention to this problem, but also can be man-made or use software to meet, due to the relative life of LCD or CRT is much shorter, but also much faster rate of aging, then we need to use the time normally to be extra attention. For example, in power management interface to set what the computer does not respond automatically close the screen when the time interval, or if you simply do not develop a laptop and battery computer in a long time together on the screen, the habit of readily and reduce unnecessary wear and tear the screen. In addition, delaying the aging LCD screen should also be taken to avoid strong sunlight long Zhishai screen, make full use of moderate brightness / contrast and reduce the long-term display a fixed pattern (to avoid local over-aging). Finally, there is that it is normal to always use special soft brush, glasses cloth, cleaning wipe ear ball screen, if necessary, you can use a neutral cleaning agent, or a little water, for cleaning the surface stains. These small tips are very good on the LCD screen.


Maintenance of hard drives and CD-ROM


Mainly as a computer work the way mechanical parts, and most likely the bad parts, its protection requires extra attention. First, we must note that the hard drive running the process, try not to move too quickly laptop and battery computers, of course, not to a sudden impact BTP-44A3 laptop and batterys. Although the seismic performance of laptop and battery hard drives than desktop hard drive is much better, but after all, their rationale and desktop hard drives are the same, head arm in the disc rotation speed 4200r/min even higher on the drifting, a sudden impact, or even a small shock will be very serious consequences. As we all know, hard disk damage caused by the loss of all the most significant hardware damage, and sometimes can be said to be devastating, so advise the majority of laptop users, when the hard disk to work, such as file Copy process, as far as possible Do not make laptop computer-generated vibration, this way we can maximize the protection of your hard drive, thereby protecting your most important data. For important data on it, we recommend that you regularly use an external storage means (such as CD burning, tape storage, external hard drive or network share) for external backup to ensure that a critical moment can hold important data.


laptop and battery computers than desktop CD-ROM drive structural precision, and therefore also more sensitive to dust and stains. In order to avoid the impact of dust, laptop and battery drives should be removed when not in use the disc, to avoid frequent use of poor quality / dirty CD-ROM to reduce the time to drive a continuous operation, if necessary, choose the virtual CD-ROM software to its burdens. Regularly with cleaning fluid clean shaved head, is also a laptop and battery drive an important means for maintenance. laptop and battery drives on both sides are used to track pallets and out, if too much force when the disc loaded, the number more easily exacerbate the wear rails and trays, allowing space increases, pallet entry and exit does not smooth, or even not be able to close the pop-up or can not. We are also able to transfer to a plate of light when the hand-care drive BTP-42C1 tray to slow the rail by the pressure.


Equipment maintenance


Since most laptops have built-in touch pad or mouse rod to replace the mouse, and many users are already accustomed to using these two methods to control the cursor on the screen, so as a laptop computer, a frequently used parts, we have Or there is the need to brief you on these two kinds of input devices for routine maintenance skills. First, the point of touch pad maintenance. In fact very simple and ordinary touch pad is divided into multi-layer, the first layer is a transparent protective layer, the second layer is touch layer. Here users need to pay attention to is the first layer, this layer protective layer main function is to strengthen the touch version of the abrasion resistance. Often due to a finger touch pad on the surface of the press and friction, so this layer protective layer is crucial. They should be careful not to accidentally let something this hard layer of protective film scratched, this layer of film as long as the breaking point, the rest will soon fall off, to fall out when the entire protective film, and touch pad wear resistance is very fragile, it is easy because of the friction time lead to failure. Of course, to keep clean touch pad is also necessary.


Here to talk about the mouse rod (also known as trackpoint), the mouse rod was originally invented by IBM, its main advantages is that space-saving assembly, the user using the mouse when you must pay attention to toggle rod intensity, I have seen many mouse rod has been allocated a bad laptop. In addition, the average mouse has a rubber rod above the head, the rubber head if the user is often forced to use a long time, they would degenerate, fall off, so usually have lot of attention to the protection. Dirty is also a major problem here, you can stick a little toothpaste, toothbrush appropriate clean-up.


Keyboard Maintenance


Finally, we would like to introduce some information BTP-63D1 about our maintenance of the most commonly used keyboard skills, because the keyboard is one of the most frequently used components, although many manufacturers are taking into account their durability, especially in the structure was fully optimized, but the droplets to wear stone, a long time the problem came. Is either a key to good used, or that the letters wear no more. The user when in use should pay attention to the following major points: first, not to temper the keyboard. Seems to us that the keyboard is the biggest killer of your own, many computer users in the crash after the results of their work because of the loss, could not help but hit the keyboard will be a few outlet gas. We remind you that the keyboard keys to do so would play a supportive role with the Soft-caused damage, there will be a long time bombs and could not go on button press issues. The second point is to try not to eat the top of the laptop and battery computers, smoking or drinking to keep the keyboard clean. In particular, too much liquid into the keyboard, is likely to make short-circuit, resulting in hardware damage. We want users to be able to develop a good habit to eat or drink in the time away from the laptop and battery computer, which will minimize the chance of problems occur, to protect the laptop and battery computer purposes. Secondly, we recommend that you can buy a laptop and battery computer keyboard, a dedicated soft, this soft keys above, there are many rugged place, just be able to cover to the laptop and battery's keyboard, both water-proof, dust-proof, but also anti - grinding, and the price is not expensive, the general computer BTP-52EW market that is available. In addition, on a regular basis with a clean cloth remove dust inside the bond between the cracks is also very necessary.


For those who have already flooded the keyboard or have no flexibility to the users, we Jiaoninyizhao. First of all, each button laptop can all be scrimping and open. For standard-sized keys, you use one to pull the nails from top to bottom you can pull the energetically open, then will see a rubber mat, shell buttons up but she is not a relationship. Press the bomb button is not up for the user, you can click this rubber hand, if the are neither bounce if you dropped then you can use other less frequently used buttons instead of the rubber pad with it, or go to the secondary market to buy a laptop and battery computer , the price is very cheap, at least you get the pit than the much cheaper. For the keyboard, the user water, you need to water all of that one of the keys to pull the open, after a careful examination, if it is determined there is no leakage into the liquid inside the computer, then for distilled water or tap water, etc. can be dry For beverages, such as Coca-Cola and so on, these beverages will be left behind after the evaporation of water from dry sticky sugar, then we need you to use low concentrations of alcohol to wipe the. To note that when cleaning every corner of the site especially the rubber pad. Well, as simple as that, how? You are not already started working it?


Cottage machine is now hidden more than an embarrassing battery equivalent regulatory grenade

Cottage machine is now hidden more than an embarrassing battery equivalent regulatory grenade

Recently, the Guangzhou phone explosion occurred, the parties carotid artery was severed and bleeding died on the spot. According to informed sources, the incident Laptop Battery have been placed on the deceased before the cell phone chest pocket, and the brand laptops, not in the state of charge, but the fierce source "cell" is original is not clear. There are members of the public suspect that the deceased used the "cottage laptop." The Police are actively investigating the matter, Bureau of Quality Supervision also expressed concern.


Low-cost, powerful, but also do personalized designs ... ... reporters in Beijing in the past few days several major sales market twisted my cell phone and found the Spring Festival market, sales of laptops cottage really hot. "A cottage a few hundred A42-A3 block of cell phone, with a year or so, and on the ways before getting on the new." This is probably an important reason why cottage phone hot.


Not long before, the Ministry of circular letter to the implementation of public mobile IMEI number of the registration verification management policies, its affiliated telecommunications terminal Testing Technology Association (TAF) issued to domestic laptop manufacturers IMEI identification number, with the identification number of the phone before they can be GSM / UMTS networks. This has been a lot of the media interpreted as a letter to the Department of Public cottage machine began to start with, after the cottage where the laptop, since there is no IMEI identification number will be unable to network. But until now, this interpretation of the cottage in the hot cell phone market now before the somewhat awkward.


On the cottage or a laptop amnesty exterminate, has been a test of the relevant government regulatory agencies, handset manufacturers are the BTP-ARJ1 wisdom of communications operators.


Experts, the explosive power of infinite power beyond the standard


In fact, "inexpensive" machine is far from the cottage looks so beautiful for ordinary consumers, the safety of laptops can not be ignored, but this is precisely what the cottage machine's weak spots. In many cases, cottage irresponsible hype machine so many consumers are often tempted. With standby time, for example, some cottage machine claimed that super-capacity battery. Standby time of up to one month, this really true?


"laptop battery capacity the greater the use of standby BTP-AQJ1 time with the longer, the normal capacity of the battery should be 800 to 1200mAh, we have a cottage on the laptop battery has been tested, which indicated the battery capacity of 8800mAh, more than the standard 10 times, if this is true, once the battery explosion, its power with a hand grenade is no different. "specialized mobile test facility in China Academy of Telecommunication Research CTTL an engineer, today accepted the Legal Daily reporters are very sure that . "Post-tested that this section cottage laptop battery has a capacity of 880mAh, only one-tenth of its marked capacity. In fact, with today's technology level, would like to make a 8800mAh capacity cell phone batteries, simply impossible."


Another example is overlooked by more ordinary laptop electromagnetic compatibility. Many cottage machine in pursuit of the signal is good, cell phone power transfer will be large, the cost of doing so is to make laptop radiation has also increased significantly, which would harm the user. Obviously, if from a professional point of view, cottage machine problems can not be ignored, may BTP-APJ1 cause adverse effects are terrible. The information in this regard is precisely the ordinary consumers lack.


Is technically difficult to encircle and suppress them is not difficult to implement


Many people may ask, given that this cell phone IMEI code ID, then the relevant government departments to solve the problem seems to cottage phone is not difficult, simply authenticated


IMEI code published online, and to force out illegal IMEI code you can. However, a communications industry trade has said that the idea could not be achieved at present.


According to reports, has been to rely on my cell phone users are not network IMEI code, but the direct use of network access phone number, IMEI number through the phone close up right now in our country is not feasible, because in our implementation of the


IMEI code is very difficult to manage. If the system of Aspire 1300 laptop IMEI code control, then we need real-name system, as well as with the laptop SIM card together with the control in order to build laptop application security security system. This is technically no problem to operate, but it gave great inconvenience to the general laptop users later want to change your phone or change numbers will be extremely troublesome.


In addition, in accordance with the current division of the relevant government departments, IMEI code owned by the Ministry of Public Sector Management letter, while the real-name system and the management of SIM cards has become the main public security departments and communications operators, and how to coordinate the operation of several departments will be very tedious . If the only phone in order to destroy the cottage and so clumsy and obvious cost too much. May even have adverse effects on the cell phone market, which is also the operators do not want to see.


Enlisted the government does not appreciate the efforts of practitioners


"There is a market, they illustrate the necessity and LCBTP03003 rationality of our existence." Machine cottage industry in a number of officers in the eyes, cottage machines contributed to the prosperity of the laptop market. Today's cottage machine industry chain is already very mature, and each link has a different manufacturers in the participation of a cottage may be caused by cell phone manufacturers to do out on the 100. "A conservative estimate, the current PRD as a whole cottage industry chain machine more than 200,000 people employed, and the enterprises of more than 3,000." Although this group of practitioners from the cottage without the authority of the data emanating from within the confirmation, but in a way has been largely reflects the current market, the objective situation cottage machine.


In fact, the regulatory authorities have already noted this point, authorities do not exterminate blindly to suppress the main, and even have introduced initiatives to attempt to "amnesty." It is understood that for the cottage to make network maker made the views of high cost of test, last year in August, public letter to the Department announced plans to reduce laptop test costs, and shorten TravelMate 4500 the test time, want to move as soon as possible so that cottage machine regularized, but the result was, and is not ideal.


"Cottage plane was not too 'regularization fee' high, but simply do not want to pay this 'regularization fee'. Got all that money be better spent on himself, as soon as possible to produce cottage machine market needs." 1 do not want to disclose the names of people who respect the industry.


More industry analysis, with the issuance of 3G licenses, the major domestic carriers will focus on the development of mobile wireless Internet, business, and has always been the market demand as the starting point of the cottage will be turned to a more powerful mobile Internet laptop production, to win over new consumer groups. As such, cottage laptop market is not only still exists, there is the possibility of extension.


On the one hand to the industry regulator and the market Aspire 1410 development has brought a certain degree of trouble, on the other hand satisfy the needs of consumers. Can not lock on a witch hunt and can not successfully enlisted obediently toe the line, cottage laptop, really give the regulators out of a sort of a small problem. But from the perspective of a market economy, administrative directives to be compatible with the market means that this point is beyond doubt.

Monday, 27 July 2009

Saving Power with Suspend/Hibernate in Linux

Leave a commentLinux is a fantastic operating system with lots of ways to help make your computing Laptop Battery space a bit greener. On of those methods is the often troubled suspend/hibernate. On laptops this is a very tricky, often frustrating system to get working. In this article I will give you some pointers.

Understanding suspend/hibernate

Before you attempt to do any debugging, it's best to understand what suspend and hibernate do and how they effect Linux. I will begin by saying that both suspend and hibernate are iffy at best with Linux. One of the reasons why this is so is, due to the nature of both battery systems, they are very much dependent upon hardware configurations which can run the gamut. Because of this battery , some laptops will suspend or hibernate with Linux and some will not. Why is this? Image this: For either to work, the suspend or hibernate system has to take a snapshot of your running state, freeze it, and store it to either RAM or disk. Once you are ready to bring your laptop back to life, the suspend system must be able to reach the image acer BTP-60A1 Battery and restore it. Add to this the numerous systems that are effected by this system (X Windows, wireless networking, etc) and the task becomes even more complex.

Here is the gist of each. Suspend, also known as ACPI State S3, is also known as Suspend to RAM. This state is the trickest to get working with Linuz (In fact there are few laptops that will actually suspend with Linux.) because the image must be stored to RAM which is yet another variable in the equation. Suspend does use a very small amount of power because it has to keep the image on RAM in a retreivable state. Hibernate, also known as ACPI State S4, does the same thing as Suspend only it stores the image on the swap partition of the laptop hard drive. This is easier to handle because the swap partition is a much more standardized variable in the equation. Hibernate uses no power because the image is stored on a non-volitale state (on the actually hard drive.)

Of course the above doesn't even take into account other hardware variables such as button configuration, display, etc. But the end results should be the same: Save your laptop Acer BTP-58A1 Battery in a state that can be stored with little to no power usage.

Is suspend/hibernate working?

One of the first things you will need to do is find out if your installation of Linux works with your hardware. The first thing to do battery is to find out of Suspend to RAM is supported by running the following command: cat /sys/power/state. After running this command you should see something like mem or mem disk returned. Seeing mem means your hardware supports Suspend to RAM. Seeing disk means your hardware supports Suspend to disk. Seeing mem disk means your hardware supports both. If you see any of these returned by the command you are in luck. But don't rejoice just yet. You might find your hardware is supported but anytime you close that lid with the laptop unplugged you might come back, after a while, to find your battery dead. And even though your hardware does support both, Suspend to RAM is flaky at best and it continues to use power (which we want to avoid). So, since suspend (Suspend to RAM) Acer TravelMate 220 Battery is a more difficult state to achieve (and continues to use power) let's focus on hibernate Suspend to Disk.)

Hibernate

There are numerous packages that claim to be able to aid the quest to suspend a laptop. The only one that I have battery actually been able to sucessfully get to work consistently is klaptop_acpi_helper. This is part of the kdeutils-klaptop package. Of course th is means you would need to be running the KDE desktop environment. This tool has command line utilities but also works in conjuntion with the KPowersave panel applet. You can install this tool by selecting the Install & Remove Software entry of the Start menu. You will have to enter the root or sudo user password in order to access the installation tool. Once this is installed Acer BTP-43D1 Battery you can then test the laptop from a command window (I find this the best way to test because you'll get instant debugging information).


Open up a command tool (konsole is fine) and then issue the command klaptop_acpi_helper --hibernate and your laptop should start the process of hibernation. Now, understand, the process of hibernation isn't as instant as suspend because it has to save the state to disk. Once the laptop finishes the hibernation you should have a blank screen and see no indication that power is being consumed. Once the hibernation is sucessful you can then bring the laptop back to life. To do this hit the power Acer Laptop Battery button and the process of hibernation will reverse. Again, this is not nearly as quick as suspend so it will take some time before your laptop is back up and running.


Now that you know this system works you can then configure KPowersave to do the same thing. What you need to do is right click the KPowersave battery icon in the system tray (it will look like a power plug) and select Configure KPowersave. Within this configuration application you will want to click on the General Settings tab and then click on the Button Events tab. There is an entry here for Lid Close Button. Set that to Suspend To Disk and click OK. Now when you close the lid of your laptop it will go into hibernation.


Your laptop is now ready to consume less power!


Final Thoughts

It would be nice if hardware vendors were a bit more forthcoming with the specs of their machines so that Linux developers could readily fix the bugs surrounding such Apple M6091 Battery critical issues as power management. But this is not currently the case. So instead Linux developers are stuck with having to reverse engineer much of the technology. I have always felt that suspend/hibernate was an achilles heel for Linux. Fortunately it has reached a state where that achilles is not so afflicted.


Tuesday, 14 July 2009

How To: Increase Battery Life in Ubuntu or Debian Linux


With the popularity of the last How To on Domain Controllers, I thought we should do some more. So here’s how I’ve nearly Laptop Battery doubled my battery life on my laptop (2 hours max with Windows to 3:30 average with Ubuntu, which was originally 2:30). I used to use a series of programs on Debian Etch which are also available in Ubuntu. However, probably because of their lack of nice GUI interfaces, they’re not installed by default. If you are more interested in increasing your battery time, however, follow along.


Install laptop-mode-tools and cpufreqd

sudo apt-get install laptop-mode-tools cpufreqd cpufrequtils

Make sure that the proper CPU governers are installed for your processor. I have an Intel Centrino Duo 1.6Ghz (which clocks down to 1Ghz).

sudo modprobe acpi-cpufreq Acer Laptop Battery (or speedstep-centrino or powernow-k8|k7|k6 or longhaul, depending on architecture - acpi-cpufreq should be the most compatible)

sudo modprobe cpufreq-conservative

sudo modprobe cpufreq-ondemand

sudo modprobe cpufreq-powersave

I use ondemand and conservative - ondemand for when I’m plugged in - no point running at 1.6Ghz when I’m idle - it just heats up the system and overworks the fan - and conservative on battery life - it only steps up slowly as requires, and I can still limit it well with cpufreqd. However, having powersave available on a moments notice to keep the processor locked at 1ghz is nice. Add acpi-cpufreq or whichever cpufreq driver you picked in the previous step to the end of /etc/modules to force the system to load them at bootup. Ubuntu didn’t pick this up properly for me on any install yet (Dapper, Edgy or Feisty), but Debian did in Sid and Etch

Now open up a terminal (or Konsole) window and edit the files (or replace them with my versions). I’ve attached my versions acer BTP-44A3 Battery below.

laptop-mode.conf

cpufreqd.conf

A few things to look out for when editing these files

set your cpufreqd.conf to the proper CPU speed limits. You can get the hardware limits for your processor from

cpufreq-info -l

Mine are obviously (when you read my cpufreqd.conf) 1000000 to 1667000

Note which steps are available to you. On my Centrino Core Duo, I only have 3 steps, but on one Celeron processor I saw 10 steps from 2GHz down to133MHz.

Make sure in this configuration that you’re disabling CPU monitoring in laptop-mode Acer BTP-42C1 Battery conf. Laptop-mode-tools seem to do this well, but when I last read the man pages, it does all its switching with the usermode driver, which is a more expensive operation than kernel mode - where cpufreqd runs at; letting the speedstep operations run as intended in the core is much more efficient, cpu-cycle-wise… which saves even more battery life. Yes, every second counts.

I personally set “noatime” as a default mount option in /etc/fstab for every physical drive in my laptop. However, you’ll also see my laptop-mode.conf has “control_noatime=1” set, in case I forget, or edit fstab. This does a mount -o remount on all drives Acer BTP-63D1 Battery when you unplug from the wall, setting the noatime mount option ONLY on battery power. This got confusing to me, having access timestamps sometimes, so I just disabled it completely, and know that my access timestamps are 100% worthless, rather than 50% worthless.

Look closely at the cpufreqd.conf that I’ve created - you’ll see several different scenarios for how to control the CPU limits, based on utilization, battery life, AC status, and even which programs are running. These are settings that work very well for me - I doubt they’ll work well for everyone, but they do cover pretty much every situation I’ve been in on battery power, from doing a presentation out of VMWare to taking notes in a 4 hour meeting. I rarely play games in Linux, much less on battery power, so I can’t speak much to that. But I can get a full DVD easily, and 2 movies if they’re ripped to Acer BTP-52EW Battery DivX on the HDD.

Last step is to check the brightness of your laptop. In mine, I can set the brightness on battery power vs. AC power in the BIOS. I also have controls for it. Lowering your brightness by half increases your battery life a HUGE amount. I try to keep it as low as required to see it - in a dark meeting room, that means “as low as it goes”. Being a touch-typist becomes important here, cause that’s not bright enough to see the keyboard on my system.

That’s it. For reference, this whole post written on battery Acer TravelMate 240 Battery power tonight, while doing other things (like cooking dinner and going for a walk), never in sleep mode. Percentage battery remaing thanks to bat-stats.sh

how a laptop battery use battery

Laptops equipped with Intel® Centrino® Processor Technology deliver exceptional mobile performance with power Acer TravelMate 4000 Battery efficient technologies specifically designed to enable great battery life+. But this is only one part of the equation. There are eight other areas where your notebook uses battery power. By optimizing these areas, you can optimize your notebook's battery life.


CPU (Central Processing Unit)

The CPU in your notebook uses about 10 percent of your power. If you buy a notebook equipped with Intel® Centrino® Processor Technology, you can enjoy exceptional mobile performance, plus power-saving features that enable great battery Acer Laptop Battery life. Because the Intel® Pentium® M processor was designed with mobility in mind, it's a better choice for on-the-go computing.



Chipset

Much like the CPU, the chipset is designed to use as little power as is possible. It does, however, dissipate power through leakage. Use built-in power management devices, which is usually located in the "Notification Area" (bottom right hand corner on Windows* operating systems). Enable this feature and set your system to "Battery Optimized" mode or "Max Battery" mode. Also, wireless Internet uses power even when it's not in use, so disable this when you're not online to reduce power Laptop Battery consumption.



LCD (Liquid Crystal Display)



Your LCD uses approximately 33 percent of your overall power usage. The size of your screen can affect power consumption—a larger screen requires more power. However, the single greatest LCD culprit is your backlight—a small, fluorescent tube. The brighter the screen, the harder that tube has to work. You can dim the screen/LCD brightness and choose a working environment with adequate lighting—less bright means you'll drain less power from your battery. You can also put your computer to sleep earlier.





Cooling Fan



Your notebook Acer TravelMate 290 Battery has an internal fan that's designed to regulate the temperature and keep the machine running properly. More often than not, the fan is off, and typically accounts for only two percent of power usage. But high power applications force your CPU to work harder and programs use energy even wile sitting idle. That generates heat, prompting your fan to turn on which uses more energy. If you close unused applications, you will optimize battery life.

Power Supply/Battery Technologies

Power supplies convert unregulated battery power to regulated voltage levels to safely power the CPU and chipset. However, this creates a power loss that can account for up to 10-15 percent of the total platform power usage. You can help this by cleaning your battery. Rub the battery's metal contacts with rubbing alcohol every two months Acer BATCL50L Battery (let dry before reinstalling).



Graphics Card



External graphics offer fast performance—but can use eight percent of your battery power. Though you can't see it, the graphics on your screen are actually composed of millions of constantly moving dots. If you're watching a movie, those dots refresh more often, and more refreshes require more power. If you defer higher intensity tasks, like DVD viewing, to when you're plugged in you will improve battery Acer BTP-73E1 Battery life.



Other USB, External Devices, and PC Cards



Other platform variables account for about eight percent of your power usage. Unplug or remove these when they aren't being used.



Hard Drive and DVD Drive



Together, your hard disk drive and your DVD drive can account for 10 percent of your power usage. By adding RAM to your system, computing instructions can be processed faster, which decreases hard drive activity and conserves power Acer BTP-550P Battery.

Apple Portables: Resetting the System Management Controller

Summary

Learn more about the MacBook, MacBook Pro and MacBook Air's System Manager and how to reset it.


This article refers to Apple's Intel-based portables manufactured February 2006 or later. For PowerPC-based Acer Laptop Battery products manufactured before that date, see "Resetting PowerBook and iBook Power Management Unit (PMU)".


Products Affected

MacBook Pro, MacBook, MacBook Air


The System Management Controller is an integrated circuit (computer chip) that is on the logic board of the computer. As the name implies, it is responsible for power management of the computer. It controls backlighting, hard disk spin down, sleep and wake, some charging aspects, trackpad control, and some input/output as it relates to the computer Laptop Battery sleeping.


Over time, the settings in the System Management Controller may become unusable, which can result in operational anomalies with the computer. Examples include not turning on, not waking from sleep, not charging the battery, or not recognizing the AC Adapter, among others.


Resetting the SMC is not intended for resolution of a stall or situation in which the computer is unresponsive. An SMC reset should not be necessary except as a last resort in cases where a hardware issue with the power management system is suspected. acer BTP-60A1 Battery Performing an SMC reset resets the hardware power management functions.


For most situations, a restart is sufficient. If the computer has stopped responding, try each one of these steps, one by one. Test between each step to see if it has worked. If one step works, don't worry about the next one. You should only reset the SMC if you've tried all of the steps listed here and the computer still isn't working.


Force Quit (Option-Command-Escape)

Restart (Control-Command-Power)

Force Shut Down (press the power button for 10 seconds)

Only perform an SMC reset on the computer Acer BTP-58A1 Battery if none of the above steps resolved the situation. If this is the case, see below for instructions on locating the reset button or key combination for your model of computer. If your computer is earlier than the models listed here, see "Resetting PowerBook and iBook Power Management Unit (PMU)" or "PowerBook: Resetting Power Management Unit (PMU)".


MacBook (13 inch, Late 2008), MacBook Pro (15-inch, Early 2008), and MacBook Pro (17-inch, Early 2008)

If the computer is on, turn it off.

Disconnect the AC adapter and remove the computer's battery.

Press and hold the power button for 5 seconds and then release the button.

Reconnect the battery and AC Adapter.

Press the power button to restart the Acer TravelMate 220 Battery computer

Note: Starting with MacBook Pro (Late 2008) and MacBook (Late 2008) models, you may instead use the reset method for MacBook Air (below) to reset the SMC. All earlier models of MacBook and MacBook Pro must use the method described above, which involves removing the battery.


MacBook Air and MacBook Pro (Late 2008 and later)

If the computer is on, turn it off by choosing Shutdown from the Apple () menu.

Connect the power adapter to a working power source.

On the built-in keyboard, press (left) Shift-Control-Option along with the power button once.

Wait 5 seconds and press the power button to start the computer Acer BTP-43D1 Battery.

Note: You must use the keys on the left side of the built-in keyboard.


You should only perform an SMC reset when the MacBook Air or MacBook Pro (17-inch, Early 2009) has been properly shutdown. This prevents issues from occurring to the file system.


While the power adapter does not need to be connected to reset the SMC, it may be necessary in situations where the battery needs charging or if the computer has been without power for an extended period of time. You can also visually check the SMC reset by observing the LED on the adapter. It will momentarily turn off Apple M6091 Battery as the SMC resets.