Laptop Battery Calibration

Many people did not use their laptop battery during the daily using of laptop, so they remove the battery and restore it alone for long time, think it will protectly the laptop battery well. In fact, this view is wrong.

Now most of the laptop battery are all activated before they are sold, so it is unnecessary to charge the new buying laptop battery for 12 hours with the laptop is turned off for three times. ( canon bp-511 battery )

The way to correct the laptop battery:

When the laptop battery capacity reduce much and obviously feel the laptop use time is reduced can use the Laptop Battery Calibration, the laptop battery should be calibrated once every three months according to the official statement.

1. First, enter to the laptop BIOS, ( press F2 or ECS )

2. Choose to enter the POWER menu

3. Choose Start Battery Calibration, it will appear a point, you should connect the laptop ac adapter at this time, and use the adapter charge the laptop battery.

4. When the screen appera the point “please remove ac adapter”, remove the laptop ac adapter and wait the laptop battery discharge until the laptop automatic shutdown. ( canon eos-300d battery )

5. Connect the ac adapter after the laptop shutdown, chage the battery until the charge indicator turns off, and the battery calibration complete. ( the whole process needs about 4 – 5 hours )

So the best way to protect your laptop battery is not don’t use it and restore it alone for long time, in fact, store the laptop battery for long time can not prolong the battery life and use time, but it will lead to your laptop battery damaged more quickly, so even though you do not use your laptop battery for long time, you should also let your battery charge and discharge once every three months.  ( canon nb-4l battery )