What is internal pressure

Refers to the internal air pressure of the battery, which is caused by the gas generated during the charging and discharging process of the sealed battery, and is mainly affected by factors such as battery material, manufacturing process, and battery structure. The reason for this is mainly due to the accumulation of gas inside the battery and the gas generated by the decomposition of the organic solution in the battery. High-rate continuous over-charging will cause the battery temperature to rise and the internal pressure to increase. In severe cases, it will have destructive effects on the performance and appearance of the battery, such as liquid leakage, drum bottom, increased internal resistance of the battery, discharge time and cycle life. Shorten and so on. Any form of Li-ion can cause serious damage to battery performance and even explosion. Help Li-ion to use constant current and constant voltage charging during charging to avoid overcharging the battery.