Goal Zero Nomad 13 Solar Panel (13 Watt) Goal Zero Sherpa 50 Battery X 2 Goal Zero Sherpa AC Inverter With this kit you can power/charge Smart phones, tablets, laptops, TV and other AC equipment's while completely of the power grid. Price: 1800RMB - 1 Sherpa 50 Battery 2500RMB - 2 Sherpa 50 Battery