The Inogen One G5 double battery is a perfect power source to give you independence and mobility for extended vacations or trips. The rechargeable lithium-ion double battery provides up to 13 hours at a flow setting of 2 when fully charged.
The Double Battery is small enough to fit in a backpack, accessory bag, or purse. It can be charged with the G5 External Battery Charger or with the Inogen G5 when it is connected to an AC or DC power supply. A fully depleted battery can be charged in under 3 hours.
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| Flow Setting | 1 | 2 | 3 | 4 | 5 | 6 |
| Battery Life | 13hrs 28m | 10hrs 22m | 7hrs 1 m | 4 hrs 55m | 3hrs 48m | 2hrs 58m |