The ResMed AirSense 11 CPAP machine is equipped with a 65W power supply that provides stable and uninterrupted power to the device. The power supply operates with an AC input range of 100-240V, 50-60Hz and 2.0A, making it suitable for use in many places. Additionally, it can operate at 115V, 400Hz and 1.5A for use on airplanes, meeting the needs of frequent travelers. The 24V 2.71A DC output ensures that the ResMed AirSense 11 CPAP machine receives the power it needs for maximum efficiency and reliability.