This DC Power Cord is designed specifically for use with Inogen One G3 & G4 Portable Oxygen Concentrator.
The Inogen One G4 Double Battery gives you even more time to enjoy your freedom of mobility without having to stop and recharge your Inogen One G4. With the G4 8 cell Double Battery you can get up to 5 hours of mobile use.
The Inogen One G3 External Battery Charger with Power Supply is designed to charge the Inogen One G3 battery cell when removed from the oxygen unit.
Inogen One G4 External Battery Charger With Power Supply is the ideal power source for recharging your additional Inogen G4 single and double batteries.