The SimplyGo Mini External Battery Charger is a great way to charge one battery while using another to extend your time away from a power source. This small, portable and easy-to-use charger will charge a fully depleted standard battery in about 4 hours and an extended battery in about 6 hours. This product comes with a 90 day standard warranty.
Inogen One G3 Double (16 Cell) Battery
Inogen One G3 External Battery Charger with Power Supply
Inogen One G3 Single (8 Cell) Battery
Inogen One G4 4 Cell (Single) Battery
Inogen One G4 8 Cell (Double) Battery