26650 lithium ion battery introduction

The 26650 lithium ion battery is a model specification of the cylindrical lithium ion battery. Used in the fields of electric tools, lighting, wind energy storage, electric vehicles, toys, instrumentation, UPS backup power supply, communication equipment, medical equipment and military lights. The meaning of the model is: 26650 type, which refers to a cylindrical battery with a diameter of 26mm and a length of 65mm. General electrical performance of 26650 lithium ion battery Cycle performance: 2000 times (1C charge/1C discharge, capacity retention rate ≥80%, 100% DOD) Maximum continuous discharge current: 9.6A pulse discharge current: 15A, 5s working temperature: charge: 0C ~55C; Discharge: -20C~60C Storage temperature: -20C~45C Battery weight: 86g (approximately) Nickel-cobalt-manganese ternary lithium ion 26650 single cell nominal voltage is generally: 3.6V Nominal capacity: 4500mAh (capacity range 4500 -4650mAh) AC internal resistance: ≤30m (with PTC type) charging conditions: cut-off voltage 4.2±0.05V, cut-off current 0.01C. (Remarks: charge with 0.5C constant current to 4.2V, constant voltage charge until the current drops to 0.01C cut-off) Discharge cut-off voltage: 2.75V Cycle performance: 500 times (1C charge/1C discharge, capacity retention rate ≥ 70%, 100 %DOD) Maximum continuous discharge current: 13A pulse discharge current: 15A, 5s working temperature: charging: 0C~55C; discharging: -20C~60C storage temperature: -20C~45C battery weight: 92g (approximately) Statement: this site Some pictures and content of the published article are from the Internet, if there is any infringement, please contact to delete the previous one: 26650 lithium ion battery life and charging introduction