Beyond simply recharging your Super CPAP Power Pack, the 150 Watt Sine Wave Inverter supplies you with 120V ac power allowing you to recharge almost any portable device. You can recharge your portable devices using your vehicle’s battery (via the cigarette lighter socket) or using your CPAP Power Pack itself. Now you can enjoy your iPod, MP3 player, PDA, Smart Phone etc, wherever your world may take you.