8 Cell Rechargeable Lithium-Ion Battery for Inogen One G3 Model
Battery Duration: up to 4.5 hours
Recharge 3 hours (double battery) with AC or DC power*
*At setting 2
"So many things are now possible. I feel like my old self again. If you want your life back, get an Inogen portable oxygen concentrator."
- Carol Z.
"The Inogen customer service reps have been outstanding with their follow up and service. My grandson is a blessing!"
- Carl G.
"I had been told that Inogen made the best portable oxygen concentrator on the market, so I called to inquire about it. When I learned that the Inogen came with a lifetime warranty, I decided to buy it, and I am so happy now that I did."
- Sarah G.
"The Inogen is lighter and does not leave me high and dry with no air. Where a bottle will run out when you need it the most."
- Richard K.
"The personnel at Inogen have been a delight to work with and are excellent in Customer Care. My neighbor commented one day as I returned home - boy, you sure get around with that thing. How true! I am very happy with my Inogen One."
- Barbara J.
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