The Koolatron Power Adapter lets you power up your 12 volt cooler through a 110/120 volt electrical outlet. This is a must-have accessory to make your Koolatron 12 volt products even more versatile. With this adapter, you can use your cooler as a bar fridge at your home or in the garage for a cold drink while working in the yard. The Koolatron Power Adapter can also power other 12 volt accessories that have up to 5 Amps power draw. It comes equipped with an automatic reset circuit breaker to protect against circuit overload or over charge.