Battery Type: YCY-LP-653048 3.7V 900mah Capacity: 900mah Voltage: 3.7V PACK maximum size Battery Thickness: 6.5 ± 0.2mm Battery width: 30.0 ± 0.2mm Battery height: 50.0 ± 0.5mm Battery weight: about 14.5g Charging method: constant current constant voltage Protection IC technical parameters: Overcharge protection voltage 4.25V ± 0.05V Over-discharge protection voltage 3.0V ± 0.1V Over-current protection 2.0 ± 1.0A (3.0V ~ 4.25V) Note: The protective plate matching parameters according to customer requirements, the size of the battery capacity can be customized. Cycle life: after 500 continuous charge and discharge, the battery capacity of not less than 80% of the rated capacity. Temperature: -20 ℃ ~ 60 ℃ Product Certification: ROHS, CE, MSDS.product description:Battery Type: YCY Li-ion 18500 3.7V 1600mAhCapacity: 1600mAhVoltage: 3.7VDimensions: 18 * 50mmBattery weight: about 38.0gProtection IC technology parameters:Overcharge protection voltage 4.25V ± 0.05VOver-discharge protection voltage 2.7V ± 0.1VOver-current protection 3.0 ± 1.0A (2.7V ~ 4.25V)Charging method: constant current constant voltageNote: The protective plate according to customer requirements matching parametersCycle life: after 500 continuous charge and discharge, the battery capacity of not less than 80% of the rated capacity.Product Certification: RoHS, MSDS, UN38.3 like.