When and how should I discharge my laptop battery?

Updated: 01/24/2018 by Computer Hope
Caution

If your laptop uses a Li-ion battery, do not discharge your laptops battery. Doing any of the steps below may decrease the battery's life and discharging is not needed for these batteries.

How do I discharge my laptop battery?

Laptop battery

Allow the laptop computer battery to drain completely. To do this, disable all power management utilities or use the computer until it powers itself down. Once drained, recharge the battery to 100%. Doing so every few months helps extend the life of your portable computer battery.

Refresh battery though BIOS setup

Some laptop manufactures also include a battery refresh through the BIOS setup.

Old laptop battery deep discharge

Older batteries can be discharged using a deep discharge debug routine found on our debug page.

Additional information