Inogen One G5 - Large Extended 16 Cell Battery

What you’re buying: one (1) authentic Inogen large, extended-life rechargeable battery for select Inogen portable oxygen concentrators. This is an accessory, not a concentrator.

Compatibility: Inogen One® G5 and Inogen Rove 6™. If you’re unsure, check the FAQ below or contact us with your model name/serial number.

Why it helps: add dependable run-time so you can stay out longer without stopping to charge. Many customers keep a second battery charged and ready for errands, appointments, church, or travel days.

Easy to use: quick-release design, built-in battery meter.

Travel-ready: FAA compliant for air travel (follow airline rules).

Lightweight: only ~12 oz; simple to carry and swap.

Trusted brand: genuine Inogen accessory for best fit and reliability.

Run-Time Guidance

With two lightweight lithium-ion batteries used as a pair, many users see up to ~13 hours of total run-time at lower settings. Actual time varies by flow setting, breathing rate, and environment.

What’s Included

• 1 × Inogen Large Extended 16-Cell Battery

• Quick-start information (may be printed or digital)

Specifications

Feature

Details

Brand / Manufacturer

Inogen

Type

Rechargeable lithium-ion (large / 16-cell)

Weight

Approx. 12 oz

Estimated Run-Time

Up to ~13 hours per pair of batteries at lower settings (varies by use)

Charging Time