Discharge termination voltage: The rated voltage of lithium-ion batteries is 3.6V (some products are 3.7V), and the termination discharge voltage is 2.5-2.75V (the battery factory gives the working voltage range or gives the termination discharge voltage, the parameters are slightly different). The discharge termination voltage of the battery should not be less than 2.5. Continuous discharge below the discharge termination voltage is called overdischarge. Overdischarge will shorten the battery life and cause battery failure in serious cases. When the battery is not in use, the battery should be charged to retain 20% of the capacity, and then stored in moisture-proof packaging, test the voltage once every 3 to 6 months, and charge to ensure that the battery voltage is within the safe voltage range.
Discharge current: Lithium-ion battery is not suitable for large current discharge, too large current discharge internal will produce high temperature and loss of energy, reduce the discharge time, if there is no protective element in the battery will produce overheating and damage the battery. Therefore, the battery production factory gives the maximum discharge current, which cannot exceed the maximum discharge current given in the product characteristics table in use.
Discharge temperature: The discharge curve is different at different temperatures. At different temperatures, the discharge voltage and discharge time of lithium-ion batteries are also different, and the battery should be discharged in the temperature range of -20℃ to +60℃.
