Inogen One G5 Portable Oxygen Concentrator (16-Cell Battery)

The Inogen One G5 offers an impressive 1,260 mL of oxygen output per minute, 6 oxygen flow settings, and weighs only 4.7 pounds with the 16-Cell battery, making it the most powerful Inogen model and most powerful oxygen concentrator available among lightweight, compact models. The Inogen One G5 also boasts a longer battery life than all other models, allowing you to more freedom in your day-to-day activities and for extended travel, removing barriers to a vibrant, active life.