Description: 3.6V 4800mAh 18650 Walkie Talkie Lithium-ion Battery Product No.: HG2AE4955 Cell model:  18650 / 2400mAh / 3.6V Battery Specification: 4800mAh / 3.6V Nominal voltage: 3.6V   Nominal capacity:  4800mAh Charging voltage:  4.2V Charging current: 2400mA Discharge current: 2400mA Maximum discharge current: 5000mA Discharge cut-off voltage: 2.75V Internal resistance : ≤140mΩ Delivery voltage: 3.7-3.9V  Battery weight: 140g Product size: 75* 52* 48mm (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: 5 ± 20% Battery structure: Lithium Battery protection: short circuit protection, overcharge protection, overdischarge protection, overcurrent protection, etc. Application field: Wireless communication equipment powered by Lithium-ion Battery