Description: 3.6V 7200mAh 18650 Massager Pillow Lithium Battery Product No.: HG3AE2702 Cell model:  18650 / 2400mAh / 3.6V Battery Specification: 1S3P / 7200mAh / 3.6V      Nominal voltage: 3.6V         Nominal capacity:  7200mAh    Charging voltage:  4.2V   Charging current: 1440mA Discharge current: 1440mA Maximum discharge current: 3000mA Discharge cut-off voltage: 2.75V    Internal resistance : ≤80mΩ   Delivery voltage: 3.6-4.0V Battery weight:125g Product size: 68 * 56 * 23mm (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: sports, fitness, medical devices powered by Lithium Battery