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Inogen One G4 Battery

As low as $295.00
In stock
Only %1 left
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Battery Duration
Pulse 1
Pulse 2
Pulse 3

2.6 hr
2.2 hr
1.3 hr

5.0 hr
4.5 hr
2.5 hr
Max Charge Time3 hr5 hr
* (Note: Battery duration is based on Oxygen setting) 
** Charge times subject to change based on Oxygen setting and power source.

*Please note shipments of individual batteries to locations outside of the U.S. are restricted.


The Inogen One G4 single battery can last up to 2 hours and 40 minutes with a full charge. A fully depleted battery can be charged in approximately 3 hours. The battery will charge anytime the Inogen One G4 is connected to AC or DC power. There is also an external battery charger that you can use to charge this battery.  The external battery charger is sold separately. 1 Year Manufacturer’s Warranty.

Inogen One G4 Battery Parts

Frequently Asked Questions (FAQ's)