Description: 18.25V 2100mAh 18650 Electric Projector Lithium Battery Product No.: HG5AE982 Cell model:  2100mAh / 3.6V Battery Specification: 5S1P / 2100mAh / 18.25V Nominal voltage: 18.25V Nominal capacity:  2100mAh Charging voltage:  21V Charging current: 420mA Discharge current: 420mA Maximum discharge current: 1020mA Discharge cut-off voltage: 13.75V Internal resistance :  ≤300mΩ Delivery voltage: 18-19.5V Battery weight: 230g Product size: 71 * 56 * 36mm (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, etc. Application field:Electric Projector, Smart Home devices powered by Lithium Battery