Features4 x AAA batteries5 VNi-MHIncludes compact twin USB charging cableRecharges 500 times with minimal power and capacity lossThese Uni-Com 450mAh USB Rechargeable Ni-MH AAA Batteries with Micro USB Cable will save you hundreds of pounds by removing the need to constantly buy replacement batteries. One battery will recharge 500 times with minimal power and capacity loss. The batteries are charged easily using the supplied compact twin USB charging cable, therefore, avoiding the use of a bulky and unsightly plug-in charger. Power up your devices using efficient eco rechargeable batteries. Features:Eco batteries that are efficient and easy to rechargeRecharge 500 times with minimal power and capacity lossCharge using the twin USB cable (no bulky and unsightly plug-in charger required) Save s no need to keep buying replacement batteriesReady to use will hold a full charge when not in use for up to 12 monthsApproximately 5 hours of charging timeGeneral information:Size: AAACapacity: 450mAhVoltage: 1.2VChemical: Ni-MHCharging: 5V/80Ma