Want to use your Koolatron cooler and warmer without limitations? The Koolatron ABC1 thermoelectric cooler adapter and battery charger is just the solution!Car Charging The Koolatron ABC1 thermoelectric cooler adapter and battery charger has an old fashioned plug to fit older car models" cigarette lighters, as well as 12 volt outlets in new models for added convenience. Conversion Use the Koolatron ABC1 power AC adapter to convert 110 volts and 120 AC to 12 volts DC so you can easily place the unit!Versatile You can charge more than just your Koolatron cooler with the Koolatron ABC1 thermoelectric cooler adapter and battery charger. Use it for your cell phones, computers and other gadgets, too.Two Charge Type In addition, you can choose from two charge types with the ABC1 Koolatron adapter as a way to charge your automotive battery or to keep it charged with a "trickle" charge.