... .5V 1500mah 18650 battery pack Specifications: Protected: with PCBCapacity: 1600mAhAssembly way:5S1PVoltage: 3.7VDimensions: Length 65mm, Diameter 18mmWeight: 150gPacking: Transparent tight ... , PDA, Digital camera, portable DVD etc.2. Home appliances: Two-way radio, Walkie-talkie, Electric toys, Electric bicycles, Emergency lighting3. Military equipment ...