The Medistrom Charging Adapter Cable connects the ResMed AirMini CPAP to the Pilot 24 Plus Battery, offering a seamless power solution for the AirMini. Note: Pilot 24 battery sold separately. The Pilot-24 Lite Battery also supports the AirMini, providing up to 2 nights of power, is FAA approved for flights, and includes a USB port for charging other devices, making it ideal for travel.