The Inogen One G4 Double Battery gives oxygen therapy patients the freedom to roam. The lithium-ion design adds extra capacity for the Inogen G4 oxygen concentrator – powering up to 5 hours of cordless oxygen therapy on a single charge. Rechargeable from the standard AC power supply, portable DC charger or purpose-built G4 External Battery Charger, the Inogen G4 Double Battery supports the active lifestyles of modern oxygen patients.
Portable oxygen therapy is a real-world reality thanks to innovations like the G4 Double Battery. So double up on your supplemental oxygen time away from the plug by purchasing one of more Inogen G4 8-cell Double Batteries.