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Lithium Battery Charging Safety Rules
Nov 21, 2018

Lithium-ion batteries are already a necessity for people's lives. They must be carried out correctly during use. Do not cause unnecessary dangers. Lithium-ion battery application precautions are the same as the above-mentioned non-rechargeable lithium batteries, so today Chinese people create and everyone Learning together should also pay attention to the following points in terms of charging:


1. The lithium ion battery has a terminator 4.1V and 4.2V charging of different varieties, and therefore attention is 4.1V during charging of the battery charger can not be 4.2V, or risk (4.1V and 4.2V have overcharged The charger IC for the charger is different!).


2. When charging the battery, which can not exceed the temperature range of ambient temperature product characteristics listed in the table.


3. Do not reverse charge.


4. It is not possible to charge a lithium-ion battery with a charger filled with nickel-cadmium batteries (three-cell nickel-cadmium batteries) (although the rated voltage is 3.6V), but the charging method is different, which may cause overcharging.


Pay attention to the following points in terms of discharge:

1. The discharge current of the lithium ion battery should not exceed the maximum discharge current given in the product characteristics table. When the discharge current is large, a higher temperature (loss energy) is generated, and the discharge time is reduced. If there is no protection element in the battery, overheating may damage the battery.


2. The discharge curves are different at different temperatures, as shown in Figure 5. It can be seen from the figure that the discharge voltage and discharge time are different at different temperatures. The worst case is when discharging at -20 °C.