ORIGINAL UFZ100 nitecore batterySpecificationsType: Rechargeable Li-ion BatteryModel: UFZ100Voltage: 7.2VCapacity: 2250mAhEnergy: 16.2WhOperation Temperature:Charge: 0℃~45℃ (32℉~113℉)Discharge: -20℃~60℃ (-4℉~140℉)Dimensions: 52mm x 38.7mm x 22.5mm (2.05" x 1.52" x 0.89")Compatible Models: SONY α7 II..