... ,30w,50w 3, 4kg 4, for light , cellphone charging station Green House has back with Portable Solar Batteries Charger, equipped with 3500mAh battery ... of electricity. The way a Solar Charger works is simple. The solar panel of the battery charger collects energy from the sun and ... ,2pcs 0.8W LED light,switch,Power supply box mini dc solar battery charger