May be your laptop need a external battery. batteryfast.co.uk have one of the largest inventories of replacement. This laptop batteries which on sales compatible with vgp-bpl4a. If you have any question or suggestion about Sony vgp-bpl4a battery, please contact us so we can offer you the most convenient service.

Use Sony vgp-bpl4a battery needing attention some matters :

* Carefulness read narrate book of battery, use commendatory battery.
* Research the electric appliance and the laptop batteries contact elements is whether clean, when necessity is clean with the wet cloth mop, after dry loads according to the correct polar direction.
* New Sony vgp-bpl4a Battery Pack must be fully charged before use.
* Li-ion and NiMH Battery can not interchangeable.
* Don't make new and old or different model battery put off.
* Don't try to make Sony vgp-bpl4a battery rebirth use hot up, charge, or other way.
* Don't let battery short circuit.
* Don't hot up laptop battery for Sony or loss it in water.
* Don't strip battery.
* Electro-adapter should cut switch after use.
* Should take off battery from adapter when battery long time no use .
* If you don't use your laptop for a period of time, you must fully discharge then recharge the battery.
* Battery should stock in cool place, and dry.

How to Charging the Li-ion Sony vgp-bpl4a battery?

Claims of fast charging a Li-ion battery in one hour or less usually results in lower charge levels. Such a charger simply eliminates stage two and goes directly into 'ready' once the voltage threshold is reached at the end of stage one. The charge level at this point is about 70%. The topping charge typically takes twice as long as the initial charge.

Depending on the charger and the self discharge of the vgp-bpl4a laptop battery, a topping charge may be implemented once every 500 hours or 20 days. Typically, the charge kicks in when the open terminal voltage drops to 4.05 volts per cell and turns off when it reaches 4.20V/cell.

No trickle charge is applied because the Li-ion laptop battery is unable to absorb overcharge. Trickle charge could cause plating of metallic lithium, a condition that makes the cell unstable. Instead, a brief topping charge is applied to compensate for the small amount of self-discharge the battery and its protective circuit consume.

Batteryfast.co.uk: Give you the best quality & service as much as possible!

We are professional manufacturer and distributor of all types of replacement batteries and battery chargers. Full one year warranty for every replacement battery and battery charger; Our Sony vgp-bpl4a battery last longer per charge and will last longer overall because whenever possible we only carry name brand battery cells. Our goal is to meet or exceed the performance of your original batteries and it means that you can use our lithium ion battery to replace yours. We assure that we use only high quality parts that equal to or better than the original so you can feel good about having a positive impact on our environment when you use our Sony vgp-bpl4a battery. In our store you will find a right products at very competitive prices so you will save lots of money.To better use your laptop battery, please take care of the precautions listed below:

1) Do not modify or disassemble the Sony vgp-bpl4a battery.

2) Do not incinerate or expose Sony vgp-bpl4a battery to excessive heat, which may result in an exposure.

3) Do not expose battery to water or other moist/wet substances.

4) Avoid piercing, hitting, crushing or any abuse use of the Dell battery.

5) Do not forget to take away your Sony vgp-bpl4a battery from the device if you will not use it for a long time.

6) Avoid short circuit of the terminals by keeping your battery pack away from metal objects such as necklaces or hairpins.