NOMO's NEW generation solar off grid Home system “POWERWALL" uses high efficiency mono/poly solar panel, in-built LiFePo4 battery, patented MPPT controller, converting the solar energy to electricity power with high efficiency up to 24%, and store it into the energy pack. The Low voltage design ensures safety, easy installation and can be directly hung on the wall. In sunny areas, it can provide power to your entire home, keeping TV, Refrigerator, Air conditioner, lights and other appliances running.