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Inogen One G4 Double Battery - a compact and lightweight power source designed for the Inogen One G4 Portable Oxygen Concentrator, providing up to 5 hours of oxygen therapy on a single charge.
Close-up of Inogen One G4 portable oxygen concentrator battery pack and slot for rechargeable lithium-ion batteries

Inogen One® G4® Double Battery

$618.00

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The Inogen One G4 Double Battery is a compact and lightweight power source tailored for the Inogen One G4 Portable Oxygen Concentrator. Providing up to 5 hours of uninterrupted oxygen therapy on a single charge, this rechargeable battery—compatible with both AC and DC power—offers an ideal solution for active and traveling oxygen users.