1. The life of a notebook battery is generally 3-5 years. Of course, life span is related to everyone's usage. It is recommended to discharge the battery below 20% every month and then fully charge it to 100%.
2. If the external power supply is used for a long time to supply power to the notebook computer, or the battery power has exceeded 80%, immediately take out the battery of the notebook computer and charge it to about 80%, so it is not necessary to charge it at ordinary times. Adjust the power options of the operating system, adjust the power alarm to more than 20%, and the battery power should not be lower than 20% at ordinary times, and charge it before it drops to 20%.