Amazon.comKeep things cool with Colemans thermoelectric coolers when youre at home or off at a cabin with the Coleman TE Power Source. This power adapter converts the cooler to use household voltage (120 volts); Colemans thermoelectric coolers are normally powered by a cars cigarette lighter power outlet. It measures 2.6 by 3.25 by 4.75 inches and weighs 1.1 pounds.Product DescriptionConvert your Coleman thermoelectric cooler to household voltage with this 110-volt power supply so you can use your cooler for extra food-storage in your home.