... 12v,5v 2,10w,30w,50w 3, 4kg 4, for light , cellphone charging station Green House has back with Portable Solar Batteries ... :Solar Battery Chargers are used to charge your batteries when you are not connected to the power grids ... solar battery chargers, as well as different types of batteries you might want to charge. Some solar chargers ... light,switch,Power supply box Portable Solar Batteries Charger