Charging New Laptop Battery First Time. Once it is fully charged you should not discharge it fully if possible. Put the battery in let it charge and then leave it in.

Giving your battery a complete charge during its first charge will prolong its life. Therefore if you still have a laptop that uses a nickel-cadmium battery you should let. Your first charge is always your most important charge.
The manufacturers have recommended in their manuals and generally they do that is to charge the device after the first start to the creation of electronic equipment can determine the actual capacity of the battery or in other words it can calibrate the battery performance.
Leaving battery on laptop when using AC is one way to protect the machine during power failure suddenly. Li-Ion and Li-Polymer batteries if charged often after about 1 month would reach to their maximum performance and you are recommended to charge them every time you find an outlet. Giving your battery a complete charge during its first charge will prolong its life. This post explains why you should plug your modem and router into a battery backup device.
