No, the AirMini lacks a built-in battery and requires a power outlet to function.The AirMini DC/DC converter 65W enables you to power your AirMini using a car, boat, or other vehicle's cigarette lighter socket (12V or 24V DC power source) with an appropriate battery.Consult your CPAP Discount customer service to discover the ideal portable power solution for your travels with AirMini.