This ultra-efficient Sundanzer solar refrigerator provides exceptionally low energy consumption, requiring less expensive power systems and providing lower operating costs. Can run on a solar panel, battery and 15 Amp charge controller (not included) in most areas. U.S.A. Storage Volume (cu. ft.): 5.8, Style: Refrigerator, Dimensions 40W x 30D x 37H inches, Cooling: Uses environmentally-friendly CFC-free refrigerant, Works With: Requires at minimum 80W solar panel, at minimum 110Ah battery, 15A charge controller. (Solar sizing depends on usage and sun hours at any location). Cooling: Uses environmentally-friendly CFC-free refrigerant.