Description: 14.4V 2600mAh 18650 Emergency Lighting Lithium Battery Product No.: HG4AE3701 Cell model:  18650 / 2600mAh / 3.6V Battery Specification: 4S1P / 2600mAh / 14.4V Nominal voltage: 14.4V Nominal capacity:  2600mAh Charging voltage:  16.8V Charging current: 520mA Discharge current: 520mA Maximum discharge current: 1300mA Discharge cut-off voltage: 11V Internal resistance : ≤150mΩ Delivery voltage: 14.4-16V Battery weight: 140g Product size: 136 * 39 * 25mm (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: Emergency Lighting powered by Lithium Battery