Solar Power Bank helps to extend battery life on your G, J and K CuddeLink cameras. Best performance when panel gets direct sunlight for most of the day. Recommended use on food plot and field edges. Built in 7.2 volt NiMH battery will power CuddeLink G, J and K series cameras. Has 2 output ports - 1 with battery output to power a camera, 2nd port is direct from solar panel to charge Dual Power Bank. Solar Power Bank has everything needt to get your CuddeLink camera running on Solar power. Kit includes Solar Power Bank, built in NiMh battery, cables, Genius Mount and strap Use with batteries in the camera to extend CuddeLink camera runtime Batteries inside camera serve as backup power in the event the Solar Power Bank batteries fail due to insufficient sunlight.