Connect with DC power source directly e. Connect with AC power source through an AC/DC adaptor.High temperature resistance design and energy saving design. Can use solar power for off-grid place, AC power for home , DC power for vehicle. Solar Panel, Battery, Controller is not included. 303L(10.7 cu ft). External Rotor, Brushless DC Compressor. Accessory: DC Cords ; AC Adapter The solar refrigerator can be powered by DC. Then the adapter can convert it to 110V, then the refrigerator can work well without solar panels, battery, controller, This is the simplest method. Accessory: Battery At night and raining and cloudy, the solar panel can't adsorb the sunlight, the spare battery has enough electricity, the battery can be directly connected the solar freezer to power, and the solar freezer can work well. It is also used for car, boat, 4WD, motorhouse, Caravan, Truck, marine. Note: Do not leave us a PO BOX address where large package cannot be delivered. Your satisfaction is our first thing to be considered. If you are satisfied with our product and service please leave us. Which will be very appreciated. It is very important for us to improve our service. The item "SMAD 303L Solar Powered Chest Freezer AC DC 12V 24V Camper Off-grid Refrigerator" is in sale since Thursday, December 5, 2019. This item is in the category "Business & Industrial\Restaurant & Food Service\Refrigeration Equipment\Other Restaurant Refrigeration". The seller is "smad_01" and is located in Ontario, California. This item can be shipped to United States.