LiFePO4 battery 18650 safety, long cycle life,environment-friendly, 3.2V 1500mAh/1100mAh, 3.6V-2000mAh, 3.6V-1400mAh specification: 1, 18650-3.3-1400 ... /Cell Weight45 g(approx.)15/sizeD*H(18*65mm) 2, 18650-3.3-1100 /Item/Parameters1/type18650-3.3-11002/Nominal ... bicycles, aeromodelling, toys, cameras, digital cameras and other electronic equipments LiFePO4 battery 18650 series