The safe use of lithium-ion batteries and precautions for charging and discharging

The precautions for the safe use of lithium-ion batteries include car model batteries. The safe use is also the same~ Knowledge and common sense on the safe use of lithium-ion batteries must be remembered! ! ! 1. Before using the newly purchased battery, first check whether the battery is qualified (including unpacking to confirm whether the battery is crushed or deformed). If there is a problem, contact the merchant in time for handling. 2. Before charging and discharging the lithium battery during use, it is recommended to check the voltage of each cell of the battery; the cell voltage within 1 month after leaving the factory is about 3.8V, and the maximum limit voltage that the cell can withstand is 4.25V ( Except for high-voltage batteries), the lowest limit voltage is 2.75V. When the battery voltage is higher than 4.25V or lower than 2.75V, the charge and discharge performance and safety performance of the battery may be damaged, which may cause heat, leakage, and flatulence; charging attention When using a 4S battery pack, the temperature range during charging is 0~+45℃; the charging current must not exceed the maximum current indicated in the specification, generally not exceeding 2C; batteries with swelling, deformation, leakage or voltage lower than 7.8V should not be used Charge; the temperature of the battery before charging at room temperature should not exceed 40℃; the upper limit voltage of charging should not exceed 17.48V. The temperature during charging should not be higher than 45℃; it is recommended to use a regular manufacturer and reliable charger, and the battery pack is recommended Charger with balance function. Discharge precautions When using the 4S battery pack, the discharge temperature range is -20~+60℃. Remember that the discharge current should not exceed the maximum current indicated in the specification; the lower limit voltage of the discharge should not be lower than 11.2V. It should be higher than 80°C; do not discharge the battery with swelling, deformation, leakage or voltage difference ≥100mV. Be sure to remember! ! 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 post: What happens if the discharge rate of the lithium ion battery exceeds the original prescribed discharge rate?