O2 Concepts -
With an incredibly robust magnesium case and an extended battery life, the OxLife Independence Portable Oxygen Concentrator is an ideal all-in-one solution for active oxygen users. The Independence is equipped with a dynamically balancing integrated travel cart and handle so it feels lightweight and agile in the house or on the road; and it can be operated at ALL settings -- Continuous Flow & Pulse Dose -- from all power sources including AC, DC and battery.
Smaller, lighter, quieter, and more powerful than the original the InogenOne G2 (Generation 2) is the ultimate portable pulse dose oxygen concentrator! At just 4 x 11 x 9.5 inches and 7.25 lbs WITH battery it's small enough to hold in your hand. With 4 and 8-hour battery packs available the InogenOne G2 provides unparalleled freedom for active oxygen users.