Description: 21.6V 2400mAh 18650 Massage Gun Lithium-ion Battery Product No.: HG6AE1124 Cell model:  18650 / 2400mAh / 3.6V Battery Specification: 6S1P / 2400mAh / 21.6V Nominal voltage: 21.6V Nominal capacity:  2400mAh Charging voltage:  25.2V Charging current: 1200mA Discharge current: 1200mA Maximum discharge current: 8000mAh Discharge cut-off voltage: 16.5V Internal resistance : ≤50mΩ Delivery voltage: 21.6-24.0V Battery weight: 450g Product size: 138 * 39 * 37.5mm (Max) Operating temperature: Charging temperature: 0-45°C; Discharge temperature: -20-60°C Storage temperature environment: 1month - 20-60 ° C; 3months - 20-45 ° C; 12months - 20-25 ° C Relative humidity: 65 ± 20% Battery structure: Lithium Battery protection: short circuit protection, overcharge protection, overdischarge protection, overcurrent protection, power management, etc. Application field: Massage Gun, sports, fitness, medical devices powered by Lithium-ion Battery