The Inogen One G4 8-Cell Double Battery is the essential power upgrade for active travelers, doubling your therapy time with up to 5 hours of cordless runtime. This lightweight lithium-ion battery keeps your total device weight under 1.5 kg, ensuring maximum portability and confidence during extended outings, flights, and long-distance travel. 5-Hour Runtime – Reliable power for half a day of travel or extended social events. Lightweight Mobility – High energy density keeps your G4 compact and easy to carry. Rapid Charging – Reaches a full 100% charge in approximately 5 hours while plugged in. FAA Travel Approved – Meets all airline safety requirements for use in your carry-on luggage. Easy Latch Fit – Simple slide-on mechanism provides a secure and reliable power connection. The Inogen G4 Double Battery is the premier choice for users seeking worry-free independence without being tethered to a wall outlet.
