maximize the life of TOSHIBA Satellite P850 battery pack

TOSHIBA Satellite P850 Series 10.8V 4200mAh laptop battery

At least once a month, disconnect the computer from a power source and operate it on battery power until the battery pack fully discharges.Before doing so, follow the steps as detailed below.

1. Turn off the computer's power.
2. Disconnect the AC adapter and turn on the computer's power - if it does not turn on then go to Step 4.
3. Operate the computer on battery power for five minutes. If you find that the toshiba battery pack has at least five minutes of operating time,continue operating until the battery pack is fully discharged, however, if the DC IN/Battery indicator flashes or there is some other warning to indicate a low battery condition, go to Step 4.
4. Connect the AC adaptor to the DC IN 19V jack of the computer, into a wall outlet that is supplying power. The DC IN/Battery indicator should glow amber to indicate that the battery pack is being charged,however, in the event that DC IN/Battery indicator does not glow this indicates that power is not being supplied - check the connections for the AC adaptor and the power cord.
5. Charge the battery pack until the DC IN/Battery indicator glows white.