Laptop batteries, particularly lithium battery idle for too long, or just maintenance charging curve and discharge curve generated offset need real full release after several cycles of steps to correct repair its charge-discharge curve, we also called a battery of self-learning process. common notebook battery repair methods are mainly the following method
Method One
Set (which can most related to HP laptop battery repair the best and most important step Please do not necessary to pay attention to you)
a Open My Computer – Control Panel – Power Options – Power Schemes
To wholly elected Never use the battery this time parameters
b untick the two options of alarm entries, the purpose of the program does not respond to the corresponding operation when the battery drops to a few percent, the real power of the HP elitebook 8460w battery discharged, so that the battery itself amend its lowest power curve 0% synchronization.
Method Two

Battery use and charging unstable factors cause a decline in the capacity of the battery, but this decline is not due to aging caused, so proper calibration can recover some lost capacity. Regular battery calibration is a very necessary thing, for example, from January to February.
Such as Compaq and IBM laptop BIOS or Power Management program provides a HP probook 4530s battery calibration feature, so use these two brands of friends can according to the instructions to perform. For those who do not provide this feature brand users can follow the following steps:
The screen saver is set to “no” in the Windows Power Management power scheme will be set to “always open” and shut down equipment menu all set to “never”. Alert tab will be “low battery alarm” is set to 10%, the operation is set to “no operation”; “a serious power shortage alert,” set to 3%, operating as a “stand-by”. Screen brightness set to maximum confirmation Close all windows and save the data of all previous work to confirm HP probook 4710s battery charging at 80%, unplug the power and all external devices, then if the screen automatically reduces brightness, then turn it is to play to the brightest. OK, you can go to sleep after the discharge end of the notebook will automatically shut down the power plug for laptop charging, attention must be completely filled and then boot, then restored to power scheme settings before calibration.
Correction good HP pavilion dv4-5000 battery, you can rest assured that the use of the