Do not use lithium batteries (especially notebook lithium batteries) for a long time under the condition of external power supply. Even if your laptop has good heat dissipation, long-term 100% power is equal to the murder of lithium batteries.

1. No matter for notebook or mobile phone, do not let the battery run out;

2. If you want to travel, fill the battery, but please remember to charge the appliance at any time when conditions permit. For the sake of battery life, do not wait until the battery is dry.

3. If you use external power supply for a long time, or the battery power has exceeded 80%, take off the battery of your notebook immediately and charge it at ordinary times. You don't need to charge the battery to 80% or so; Adjust the power option of the operating system, and adjust the power alarm to more than 20%. At ordinary times, the battery power should not be lower than 20%, and the battery should be charged before it drops to 20%;

4. For small electronic devices such as mobile phones, the power cord (including USB interface of charging function) should be disconnected immediately after charging, which will damage the battery all the time; Always charge the battery, remember to charge it immediately, but you don't have to fully charge the battery;