Re-understand notebook lithium battery maintenance

Li-ion batteries in a life cycle in general can be 300 to 500 times charge-discharge. So many people think that, as long as using less battery, so that you can to a certain extent, played a role in extending battery life. But they did ignore the original Dell Inspiron E1705 Battery that the physical nature of the end when the battery off the assembly line, it's internal life, the clock will then start walking.

So even if you do not set aside the battery, lithium Dell Latitude D510 Battery life was only two to three years you can come to an end of. Battery capacity caused by reasons for the decline was due to oxidation caused by the battery internal resistance increases. When the electrolytic cell resistance reaches a certain point, although this time the battery still be full of electricity, but the battery has been unable to release the stored electricity.

Caused by lithium LIFEBOOK T4010 battery is the speed of this aging temperature and set aside when the charge state of preservation decision. I will give a table to illustrate the different situations of these two factors, the impact on the battery capacity.

Can be seen from the table, high charge state and the high temperature accelerated the decline in Lifebook T4220 battery capacity. Therefore, if possible, as far as possible, after the battery charge to 40% placed in a cool place to save. This allows the preservation of a long period, the battery protection circuit is in its working state. And if the battery is fully charged, will be placed at high temperatures, which will cause great damage to the battery, the table has also been seen, charge 100% in the 60 ° C environmental conservation, 3 months after the battery capacity fell by 40% .

Therefore, how to save the battery solved the issue, but also leads to another focus of everyone has been argued, that is when we use a fixed power supply when there is a need to remove the Apple A1148 battery? Before the resolution of this question let us first analyze the use of fixed power supply when the battery placed in a computer environment in which ... ... at this time due to charge notebook computers role in protection circuit, so that the battery remained at 100% of full power state, and this When the battery in which the ambient temperature between 25-30 ° C, at least, if the hot weather, this temperature will be higher, then from the table, you should be very natural to come to a conclusion that it is so to do this would actually damage the battery, causing a decline in its capacity.

But despite the use of laptop computers, high-temperature will bring damage to the Apple A1175 battery. But Qudiao battery, use only a fixed supply, there will still some danger that dust and moisture will cause some damage to the battery, while the use of notebook computers in order to avoid a sudden power notebook computers may cause damage, so Manufacturers generally warn users not to remove the battery. Of course, this result will be naturally imagined, your battery as often in such a relatively poor environment, it will not be long over, and then you will need to go to repair center to replace the battery, this way, the benefit of course, is a manufacturer.

Finally we spotlight a lithium battery that is exactly how a reasonable charge and discharge this issue. For the lithium battery is best for partial discharge, rather than fully discharged, and to as much as possible to avoid frequent full discharges. Regular Apple A1185 battery too low discharge of the result can only be scrapped so that the battery in advance, because if the battery into every cell of 2.5 volts below the battery's internal safety circuitry will be switched on, this time the battery will become some bad spent. Therefore, in order to avoid such situations from occurring, do not save the battery power before its release was erased, but rather a number of electric charge in the store before, and again before the first fully charged.

All in all, in order not to make your premature loss of the role of the battery, then the use of normal, you should try to comply with the following principles:

A. avoid full discharge, and often for lithium batteries. The repeated arbitrarily rechargeable lithium Toshiba PA3331U-1BRS battery damage is very small, almost negligible.
B. will need to keep hold of lithium batteries placed in the shade, remember not to put in the refrigerator. Avoid placing hot car, such as a long time to save the battery charge to 40% in place.
C. most of the time if you are using a fixed power supply, please remove the batteries placed in the shade.
D. no need to purchase spare lithium batteries for storage, so this piece is actually a waste of Toshiba PA3356U-3BRSbattery.

Battery is brought to use, as long as the attention to rational use and preservation methods, there is no need to care for their excessive, making it possible for its owners contribute more to performance is the most important.

The article Via Battery blog

Useful tips for better using your battery

Missing an important call because your cell phone wasn’t properly charged is a common problem in an increasingly wireless world. Rechargeable laptop battery hold the key to our reliance on convenient, portable products, yet few people understand the basics rules of recharging rechargeable batteries. Even fewer know that when certain rechargeable batteries can no longer hold a charge, they can and should be recycled.

Nickel-Cadmium (Ni-Cd) batteries are the most common type of portable rechargeable Toshiba laptop battery, and they’re used to power products such as cellular and cordless phones, camcorders, power tools and many other consumer electronic devices. By the year 2000, it is estimated that more than 75 million Ni-Cd batteries will be sold in the United States alone.

“Most people don't know that the used Ni-Cd Inspiron 1521 Battery that collect in their desk drawer or those left in products because they no longer hold a charge, can and should be recycled,” said Ralph Millard, Executive Vice President of the Rechargeable Battery Recycling Corporation (RBRC), an international, not-for-profit organization that runs the “Charge Up to Recycle!” program for Ni-Cd battery recycling.

To get the most out of your rechargeable Dell Inspiron 1720 Battery  and battery-powered products, RBRC recommends the following guidelines:

• Charge your new Dell Latitude D620 Battery overnight (14-16 hours) before using it for the first time. This is called “initializing” and will enable you to obtain maximum battery capacity.
• Let your battery cool to room temperature before recharging. The charge efficiency of most batteries is greatly reduced at elevated temperatures.
• Recharge iBook G4 14 Battery only when they are near to fully discharged. You can tell that a battery is discharged by a sharp drop in power or speed.
• Keep the contact of rechargeable batteries clean – wipe them with a cloth soaked in alcohol.
• Never return a fully-charged Apple A1022 Apple A1039 battery to the charger for an extra boost. This will overcharge the cells and shorten the life of the battery.
• Never leave your cellular phone, camcorder, etc., in the charger when not charging, unless approved by the manufacturer’s instructions. Don’t use your charger as a stand! Continuous charging will shorten battery life.
• If your rechargeable Ni-Cd Apple A1045 Apple A1061 battery will no longer hold a charge, don’t throw it away! Call 1-800-8-BATTERY or visit www.rbrc.org to find the nearest retail site or recycling center among the 26,000 participating across the country. National retailers participating include ACE Hardware, Ameritech, Batteries Plus, BellSouth Cellular, BLACK&DECKER, Car Phone Store, Cellular One, Circuit City, GTE Wireless, RadioShack, Porter Cable Factory Service Centers, Sears, Target and WAL-MART. 

Laptop battery CAUTION AND USAGE

http://www.laptops-battery.co.uk/ Found some laptop battery caution and usage in the internet, and I share the tips to our readers.

When laptop battery is not used normally, battery and battery device would be damaged.

New battery must be charged by specific charger.

Keep Dell laptop battery dry and be ventilative.

There is organic flammable in battery. If it is not used normally, it will be broke, leaking water, or too hot. These will cause battery damaged perpetually. There is safe protection device inside the battery.

Do not use Inspiron E1405 Battery near the fire, stove or the place in a temperature higher than 80°

The battery safe protection parameter and index would be damaged if battery is in the water. Then the Latitude D830 Battery can not work regularly. Finally the battery might be too hot, get fire or explode.

Do not weld the battery with flat soldering because soldering melts battery insulator and damages safety circuit.

Do not extrude the laptop battery with heavy object or the battery might be out of shape.

If the battery is connected in reverse terminal, the battery would be too hot, get fire or be damaged.

Some functions of the Latitude D820 Battery can not be used if the pack is not working in a specific machine. And the battery life would be shortened.

If not using the specific adapter or change the specific adapter parameter, the battery would be too hot, get fire or explode.

Once the Sony VGP-BPS9/B?battery is found having problems, stop using it immediately.

The article Via laptop battery blog

Dell inspiron 1520 battery review

The update of Dell's popular inspiron E1505 battery, the Inspiron 1520 has generated a lot of interest in the notebook community. It features a complete design update, the new Intel Santa Rosa platform, and the best graphics card Dell has ever offered in a laptop of this size.

The battery Inspiron 1520 is compatible with Dell notebooks including the Inspiron 1520, and replace the Dell battery code : 312-0518, 312-0589, 312-0590, 312-0594, 451-10477, fp282, gk479, nr239. This product comes with 1 year limited warranty.

The Dell inspiron 1520 battery Specs :

Battery Type: LI-ION
Technology : 6-cell lithium ion
Capacity: 49WH
Dimension: 201.2*47.1*20.3mm
Weight: 325g
Manufacturer Part# : FP282
Also work with : Dell Inspiron 1520 battery , Dell Inspiron 1521 battery , Dell Inspiron 1720 battery , Dell Inspiron 1721 battery , Dell Vostro 1500 battery , Dell Vostro 1700 battery

Effective laptop battery life under heavy processor load with high performance settings appears to be about three hours with the 9-cell battery. You could probably extend that to four hours or more by disabling wireless, turning down screen brightness, and using less intensive applications. The 9-cell battery does extend about 3/4” from the back of the laptop, but this does not seem especially noticeable given the already larger size of the notebook.

Customer Ratings :

So every year or so I'm expected to shell out ~$150 for a new inspiron 1520 battery? Mine stopped working shortly after one year. When I plug it in vista says "Battery 0%, NOT CHARGING" now, so I cannot use the laptop unless I am somewhere where I can plug it in. Great!
Not to mention it took almost 3 months for Dell to even ship this thing to me in the first place. I've been buying Dell computers for 10 years but not anymore

I used to have the 9-cell Dell 1520 battery before it had to be replaced, and the 6-cell doesn't compare. The 9-cell lasted a lot longer without having to be recharged. Overall the battery is fair considering that it is the only one you can buy for the Inspiron 1520. It will last you for about a year, then be ready to buy a new one.

The article from : Laptop battery blog

Principles of the battery

In the chemical cell, chemical energy directly into electricity through the laptop battery is carried out within the spontaneous oxidation, reduction and other chemical reactions the result of the reaction were carried out in two electrodes. Negative active material from the more negative potential and a stable reducing agent in the electrolyte composition, such as zinc, cadmium, lead active metals and hydrogen or hydrocarbons. Positive active material from a more positive potential in the electrolyte composition of a stable oxidizing agent, such as manganese dioxide, lead dioxide, Toshiba laptop battery, nickel oxide and other metal oxides, oxygen or air, halogens and their salts, oxygen-containing acid and its salts etc..

Electrolyte is a good ionic conductivity of the material, such as acids, alkali, salt solution, organic or inorganic non-aqueous solutions, molten salts or solid electrolytes. When the external circuit disconnected, although there potential difference between the two poles (open circuit voltage), but there is no current, stored in the Sony VGP-BPS9 batteries do not convert chemical energy into electrical energy. When the external circuit is closed, the two electrodes under the effect of potential difference that there is current flowing through the external circuit. The same time, the battery inside the electrolyte does not exist due to free electrons, charge transfer must be accompanied by two poles active material and Pavilion DV1000 battery electrolyte interface, the oxidation or reduction reactions, as well as reactants and reaction products of mass transfer.

Charge transfer in the electrolyte but also by the migration of ions to complete. Thus, within the normal Toshiba PA3451U-1BRS battery charge transfer and mass transfer process is to ensure that the necessary conditions for the normal output of electricity. When charging, the battery inside the transmission power and the direction of mass transfer and discharge exactly the opposite; electrode reaction must be reversible, in order to ensure the opposite direction of mass transfer and mass of the normal electrical Sony PCGA-BP2NX processes. Therefore, the electrode reaction reversible constitutes a necessary condition for batteries.

Reaction for the Gibbs free energy (coke); F is Faraday's constant = 96500 base = 26.8 ampere-hour; n the equivalent number for the Latitude D600 battery cell reaction. This is the reaction of the battery and battery electromotive force between the basic thermodynamic relations, but also calculation of cell energy conversion efficiency of the basic thermodynamic equation. In fact, when the current flows through the electrodes, the electrode potential must deviate from the thermodynamic equilibrium of the electrode potential, a phenomenon known as polarization. Current density (unit electrode area adopted by the current), the greater the polarization more serious.

Polarization phenomenon is caused by the battery energy loss of the important reasons. Polarization for three reasons: ? from the IBM Thinkpad t60 battery cells caused by the various parts of the polarization resistance is called Ohm polarization; ? from the electrode - electrolyte interface layer caused by charge transfer blocked the process of polarization is called activation polarization; ? from the electrode - electrolyte interface layer caused by slow mass transfer of polarization is called concentration polarization. Reduce the polarization method is to increase the electrode reaction area, reducing the current density, increasing reaction temperature and to improve the catalytic activity of the electrode surface.

The article Via Battery Talk

What causes laptop batteries to overheat?

In conjunction with the United States Consumer Product Safety Commission (CPSC), Dell and Apple Computer announced large recalls of laptop batteries in the summer of 2006, followed by Toshiba and Lenovo. Sony manufactured all of the recalled batteries, and in October 2006, the company announced its own large-scale recall. Under the right circumstances, these batteries could overheat, potentially causing burns, an explosion or a fire.

To understand why that happened, it's helpful to know a little bit about how batteries work. Laptop Batteries have a negatively charged terminal and a positively charged terminal. In a battery, energy from electrochemical reactions causes electrons (negatively charged particles) to collect at the battery's negatively charged pole. Charged particles are attracted to opposite charge, so if you connect a battery to a circuit, the electrons will flow from the negative pole, through the circuit and to the Inspiron 1501 battery's positively charged pole. In other words, the battery generates a moving charge, or electricity. (See How Electricity Works and How Batteries Work for more details).

The exact reaction that generates the electrons varies, depending on the type of 40Y6797 battery. In a lithium-ion battery, you'll find pressurized containers that house a coil of metal and a flammable, lithium-containing liquid. The manufacturing process creates tiny pieces of metal that float in the liquid. Manufacturers can't completely prevent these metal fragments, but good manufacturing techniques limit their size and number. The cells of a lithium-ion Pavilion DV2000 battery also contain separators that keep the anodes and cathodes, or positive and negative poles, from touching each other.

If the Acer Aspire One battery gets hot through use or recharging, the pieces of metal can move around, much like grains of rice in a pot of water. If a piece of metal gets too close to the separator, it can puncture the separator and cause a short circuit. There are a few possible scenarios for what can go wrong in the case of a short circuit:

If it creates a spark, the flammable liquid can ignite, causing a fire.
If it causes the temperature inside the battery to rise rapidly, the A1175 A1185 battery can explode due to the increased pressure.
If it causes the temperature to rise slowly, the battery can melt, and the liquid inside can leak out.
- There are several reasons why- multiple laptop battery models have been recalled in the past few years. People want small, lightweight laptops that they can use for long periods. They also want their laptops to have bright screens and lots of processing power. For these reasons, laptop batteries have to be relatively small, but they also have to hold a lot of energy and last a long time.

Making lithium-ion Inspiron 640m battery that can hold more power for a longer period requires vital components, including the separators, to be small and thin. The reduction in size makes it more likely that the batteries can fail, break, leak or short circuit.

Check out the next page for more information-, including how to determine if the recall affects your laptop.

The United States to abandon the development of new battery technology allows cell phone powered by sound waves

According to foreign media reports, Imagine has a self-powered mobile phone that how good it will never have to charge and can keep the phones running without VGP-BPS9A/B VGP-BPS9/B. This is not fantasy, but the U.S. University of Texas professor Kim Tai Xika a recent invention. This invention allows mobile phone users to speak into the energy generated by sound waves, providing use of mobile phones, enabling mobile phones used instead of power.

Self-powered mobile phones could be sound waves into electrical energy

Cajun working on nanotechnology, through the use of the so-called piezoelectric materials, he developed a self-powered device, which does not require batteries that can replace the power supply category of Lifebook T4220 battery Fujitsu fpcbp155. In particular, card payments and a partner University of Houston have found some kind of voltage is less than a nanometer-thick body of material under the micro-size of the converted energy can be 100%. Moreover, when this material larger than this specific size or more hours, their energy conversion rate declined significantly. His findings, published in the fall of the American Institute of Physics scientific journal "Physical Review". This discovery will develop low-power electronics products have far-reaching significance, this can be developed from I-powered mobile phones without pavilion ZV6000 battery Aspire 3000 battery, laptops, personal communication devices, and numerous other computer-related electronics products.

Many high-tech products of the components are nano-level. Although the invention of Cajun small, but significant influence. He found that will enable small and easy to extend the service life of wireless products without HP PB995A. Because, MP3 and cell phone, the laptop battery life is a major problem, if you want to expand their capabilities, then they need to have a more powerful battery to support. And convenient self-powered device will resolve this problem, which is several federal agencies interested in the reasons for such devices. In fact, the U.S. Defense Advanced Research Projects Agency (DARPA) has been studying the field the soldiers how to use their conversation to obtain the energy to power their portable equipment. In addition, the sensors used to detect explosives, would greatly benefit from self-powered technology, can reduce the trouble of testing and replacement of the battery.

Cajun explained that the key to this technology is the piezoelectric body. Is a class of piezoelectric crystals are very interesting, when you squeeze or stretch it, it will produce different ends of the charge of Pavilon DV9000 battery. This effect is called piezoelectric effect. Piezoelectric effect can produce a crystal is called piezoelectric crystals. Crystal quartz is a well-known piezoelectric crystals. Piezoelectric body is not a new concept, in fact, as early as in the first century BC was the French scientist discovered. Was first used in piezoelectric sonar equipment during World War.

Now, equipped with a piezoelectric crystal element of the apparatus so that technical staff research the steam engine, internal combustion engines and all kinds of chemical equipment in the pressure changes become a reality with this XPS m140 BATTERY. The use of piezoelectric crystals can be measured or even the pressure of fluids in pipes, guns, firing shells in the barrel when the pressure of the bomb exploded when the instantaneous pressure. In addition, the piezoelectric crystal is also widely used in the microphone and quartz table. Even the car ignition also has piezoelectric crystal. Click on the button will cause the ignition of piezoelectric crystals generate impact of Inspiron 640m battery, thereby generating sufficient voltage to produce sparks and ignite fuel.

On major applications, a number of European dance floors of nightclubs and dance halls was built by the piezoelectric crystal can absorb and convert XPS M1730 battery energy to generate electricity footsteps as a way to light bulbs inside the nightclub. According to reports, the Hong Kong Coliseum is an athlete using this technology to the Pavilon DV8000 battery energy conversion into electrical energy as a means of lighting and play music. Cajun said that the application of piezoelectric crystal will be a higher level, especially when the nano-scale emergence of the piezoelectric crystal, after the application of this technology will become more widespread.

The news via batteryblog

Lithium battery explosion reason and prevention

According to the U.S. well-known science writer Marshall Brain series of articles in the lithium batteries introduction, the vast majority of lithium battery explosion caused by a short circuit, and the specific reasons, including charging overvoltage / over-current use of aging.

Lithium laptop battery manufacturing process, because the manufacturing process itself flawed, it is easy to be insulated in this between the two poles, leaving metal dust, copper foil, aluminum foil pieces. The angle is expected in the battery than the fever (more common in long-term use or charging), the like boiling water in a grain of rice, as in the electrolyte to make random thermal motion. If you happen to have the Canon BP-511 battery positive and negative particles or debris near the middle of the diaphragm level, it could create a divide perforation, triggering micro-short circuit. As the batteries are flammable organic electrolytes, micro-short-circuit may cause an explosion, burning and other accidents, generally have the following three cases:

1. Sparks ignited the electrolyte, and thus bring disaster to come into contact with plastic body and flammable, resulting in fire;

2. Was experiencing an increase of temperature caused by the battery, the discount laptop battery inside the space is small, perhaps because of increased pressure to explode;

3. Batteries slower rise in temperature, the battery case to melt gradually, so that corrosive electrolyte leakage.

Lithium Dell Inspiron e1505 Battery safety problems can not stop now, because then the advanced manufacturing technology, will inevitably lead to planting the seeds in the electrolyte "missile." Should be noted that the formal sector of lithium battery production and sales have strict norms of acceptable quality lithium batteries, the number and size of debris have been controlled within a small, very low risk of perforation of diaphragm; batteries outside the Shell also used flame-retardant material, is not prone to fire.

The explosion-proof lithium battery of measures

Lithium Dell Inspiron 6000 Battery safety problems, the battery manufacturer, of course well aware, then what they used explosion-proof measures? Li-ion batteries for notebook computers, for example, its working principle is: Lithium batteries near full charge and discharge almost drained when the voltage drop, the control circuit detects this situation, notify the protection circuit cut off power supply to prevent overcharge or excessive discharge, so as not to shorten battery life.

The current notebook lithium batteries possess a more complete multi-level protection mechanism, even in the power charger, notebook computers unusual circumstances, the Dell Inspiron 1300 battery laptop can also be converted to automatic protection status, is generally not an explosion. But once the control circuit and protection circuit of the ability to work reduced hours, the battery on the verge of "dangerous" the. Mobile phones and other electronic products, lithium battery charge and discharge protection mechanisms, similar to this.

Do not need it "at arm's length"

In recent years, lithium-ion electronic products explosions often found newspapers, aroused a lot of consumer panic, some people for their own mobile phones, MP3 charging often "at arm's length"; also because of fear, simply a long-term will be cast aside Dell laptop battery, cause scrap. However, survey results, the majority of lithium battery explosions are the result of the user pay attention to safety tips, such as unauthorized modification, use of non-matching charger, the A1175 A1079 battery placed in extreme environments such as making.

Should be pointed out that the lithium Dell inspiron 9400 battery technology as a kind of after 30 years of study, has successfully commercialized the mature technology, its safety is guaranteed. Regular brands of lithium batteries at the factory will have been numerous Road test procedure after they are sold as well as information feedback mechanism in order to recall the product in question in time.

United States Transportation Security Administration (TSA) is given following the recommendations of the safe use of lithium batteries:

1. Using the original charger: Li-ion battery charging time is the high period of bombing. Than the original VGP-BPS5 VGP-BPS2C battery charger is compatible with the battery charger to ensure better security.

2. Use of a reliable battery: try to buy original Sony laptop battery, not to save money to buy "second-hand goods", such batteries may be through maintenance, and reliable than original batteries.

3. Do not place the Latitude D620 battery extreme environments: high temperature, collisions, etc. are all important causes of battery explosion, as far as possible so that the battery is in a stable environment, away from the high-temperature areas.

4. Do not attempt to modify: the phone is a sophisticated communications equipment, in the design, manufacturers will have on its security, strictly textual research. After modification, the battery may be at not taking into account the environment before, an increase of security risks.

Via Batterytalk.info