Introduction to the correct charging and discharging method of polymer lithium ion battery

The first is charging: the charging and discharging of polymer lithium-ion batteries and liquid lithium-ion batteries are actually the same. There are two important methods: constant voltage charging and constant current charging, and the two can also be crossed. In constant current charging, the capacity of the battery is increased over time, and the internal resistance of the battery is constantly increased, and the charging becomes slow. At this time, we should not think that the charging is complete, it will take a period of slow charging. The general manufacturer of polymer lithium-ion batteries first uses a constant current for charging when charging the battery, and then uses a constant voltage current for charging. The current, voltage, and cell phone power are all changing with time, which ensures that the cell phone’s battery can be fully charged quickly. I would like to remind everyone here that most of the mobile phone chargers sold in the market can be used by us. Because the battery has a protection system, it will not fully charge up quickly. It is generally faster at the beginning and slower later. But there is a kind of fast charge charger that cannot be used, because the fast charge delivers excessive voltage to the cell phone battery, which will cause damage to the battery itself. Then it’s discharging. I think everyone knows about discharging. Normally, we only need to turn on the phone to discharge the battery. However, in the test, constant current discharge is often used to test all aspects of the battery's performance. When we usually use mobile phones, if we find that the battery is hot, or the mobile phone is hot. Turn off the phone in time and wait for the phone or battery to cool down before using it. Because of heat, the voltage in the battery is unstable, and the voltage output to the mobile phone is also unstable. This kind of discharge is not allowed. We must try our best to keep the battery discharge constant, so as to extend the service life of the mobile phone. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous article: What are some characteristics of various types of power batteries?