The Pilot-12 Lite is a revolutionary CPAP power solution combining an ultra-portable travel battery with a backup power supply so you can be sure to have power at home or on the road whenever you need it. The Pilot-12 Lite will provide 1-2 nights of power to DreamStation & SystemOne '60 Series' Sleep Therapy Devices. As an added bonus Pilot-12 Lite has a built in USB port for charging phones, or other small electronics, and a handy integrated flashlight too!