Product details:

The Inogen One G5 Double Battery gives you more time to be out and about before having to recharge your Inogen One G5. Order a new double battery today and discover how it can make your daily use easier and more enjoyable! You can even take those longer trips that you couldnt do before, with up to 13 hours of battery life.13 Hour Of Battery Life
Charges Full In 3 Hours
Quick Release Button
FAA Approved