Inogen 16 Cell Battery

Exclusively compatible with the Inogen One G5 and Inogen Rove 6 portable oxygen concentrators.
Rechargeable Lithium-ion, 16-cell configuration.
Provides up to 13 hours of operation on a flow setting of 1 or 2. Run times will decrease at higher flow settings.
Weighs approximately 2.02 lbs (around 0.9 kg).
Fully recharges in approximately 3 to 6 hours when connected to an AC (wall) or DC (car) power source (while in the concentrator or using an optional external charger).
The battery is approved by the FAA for air travel, allowing users to carry it on flights (passengers should confirm specific airline regulations).
Approximately 99 Wh Energy
Indicators: Features four LED indicator lights to show the current charge level.
Charges automatically when inserted into the concentrator and the device is connected to an AC or DC power supply.
This extended battery is an ideal solution for users requiring longer periods away from a power source, such as during all-day outings, travel, or long-haul flights.