From smartphones to refrigerators and everything in between, a gas-free generator for any situation. Silent, safe, and easy to use indoors or out. Crank Out Big Power Silently; powerful enough to back-up critical appliances - refrigerators and freezers - as well as home health car equipment. Safe and Silent; charge your Goal Zero Yeti 1250 in silence using the free and clean energy of the sun. You can also charge it from the wall. Either way, there are no worries of toxic fumes or the transportation and storage of fuel. Easy to Use; multiple ports - DC, USB and AC - make it easy to power all your devices. Activate the ports with one master button and let everyone in the family help themselves.