Non-rechargeable battery, Cylindrical Li-MnO2 battery, CR123A, 3V 4500mAh Best price with high quality OEM is welcome Non- Rechargeable Lithium battery CR123AVoltage:3vCapacity: 4500mAhDimension: 51 ... systems, Industrial clocks, Sea buoy, remote monitoring systems,Military electronics and etc. Cylindrical Li-MnO2 Battery CR123A