--- product_id: 711919237 title: "Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in." brand: "inogen" price: "£3.42" currency: GBP in_stock: false reviews_count: 5 url: https://www.desertcart.co.uk/products/711919237-inogen-one-g3-standard-8-cell-battery-portable-replacement-battery store_origin: GB region: United Kingdom --- # Charges on AC & DC power supplies Up to 4 hrs battery life @ setting 2 FAA approved for air travel Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. **Brand:** inogen **Price:** £3.42 **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your independence with the lightest, longest-lasting battery for life on the move! ## Quick Answers - **What is this?** Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. by inogen - **How much does it cost?** £3.42 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/711919237-inogen-one-g3-standard-8-cell-battery-portable-replacement-battery) ## Best For - inogen enthusiasts ## Why This Product - Trusted inogen brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Freedom to Roam:** Up to 4 hours of continuous oxygen support on setting 2 keeps you moving without limits. - • **Backup Peace of Mind:** Easily swap batteries to extend your day—never miss a moment due to power constraints. - • **Lightweight Powerhouse:** At just 1.3 lbs, it’s the lightest battery option for the Inogen One G3, perfect for active lifestyles. - • **Charge Anywhere, Anytime:** Seamlessly charges via AC at home or DC in your vehicle—power on the go without interruption. - • **Travel Ready & Compliant:** FAA approval means worry-free flights—carry your oxygen support wherever life takes you. ## Overview The Inogen One G3 Standard 8-Cell Battery is a lightweight, FAA-approved lithium-ion battery delivering up to 4 hours of oxygen support on setting 2. Compatible with AC and DC power supplies, it enables seamless charging at home or on the road, empowering users with reliable, portable oxygen access for active, independent living. ## Description Inogen One G3 8-Cell Battery The Standard Battery of the Inogen One G3: Delivering exceptional battery life to allow patients like yourself the freedom to garden, shop, golf, or anything you set your mind to without the worry of running out of oxygen. This is made possible with the standard Inogen One G3 8 cell rechargeable lithium ion battery as it provides up to 4 hours of supplemental oxygen on a setting 2. FAA Requirements If you expect to be out for an all-day event, or if your flight is longer than the estimated battery life of your flow setting, it is highly recommended that you have multiple batteries on hand so you can quickly swap them out. The FAA requires all oxygen patients to have 150% of the flight time in battery life. Inogen One G3 8-Cell Battery Life: Flow Rate - 1 Battery Life - Up to 6 Hours Flow Rate - 1 Battery Life - Up to 6 Hours Flow Rate - 2 Battery Life - Up to 4 Hours Flow Rate - 3 Battery Life - Up to 3 Hours Flow Rate - 4 Battery Life - Up to 2 Hours Flow Rate - 5 Battery Life - Up to 1.7 Hours *Battery life is dependent on breaths per minute (BPM) Charging with the AC and DC Power Supply The 8 cell battery even has the capability to charge automatically with both the AC power supply for stationary charging, or with the DC power supply for portable on the go charging in most vehicles. Even more impressive is the fact that all settings will charge and operate while using the DC supply. For an additional cost you can charge an 8 cell battery while having another in the concentrator, the external battery charger is perfect for patients that have multiple batteries, and eliminates having to wait for a battery to recharge to use the unit. Review: This was a great price and it was hard to find a replacement battery. Review: Makes being independent easier. Back up battery is essential to staying active. ## Features - ✔️ Up to 4 Hours of Battery Life on a Setting 2 - ✔️ Enables Portable Use of the Inogen One G3 - ✔️ Works and Charges on all Settings with the AC and DC Power Supply - ✔️ Delivers the Lightest Available Package - ✔️ FAA Approved ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07W3P8FBS | | Manufacturer | Inogen | ## Product Details - **Battery cell composition:** Lithium Ion - **Brand:** Inogen - **Reusability:** Rechargeable - **Unit count:** 1.00 Count - **Voltage:** 3.85 Volts ## Images ![Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Image 1](https://m.media-amazon.com/images/I/710zI-PHZVL.jpg) ![Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Image 2](https://m.media-amazon.com/images/I/71I4UdeX39L.jpg) ![Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Image 3](https://m.media-amazon.com/images/I/71T9Sv1fB7L.jpg) ![Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Image 4](https://m.media-amazon.com/images/I/81AS-i8K1QL.jpg) ![Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Image 5](https://m.media-amazon.com/images/I/81SAnI01HxL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***S on 18 January 2026* This was a great price and it was hard to find a replacement battery. ### ⭐⭐⭐⭐⭐ Review *by C***R on 25 June 2025* Makes being independent easier. Back up battery is essential to staying active. ### ⭐⭐⭐⭐⭐ Review *by C***H on 15 January 2026* Works as expected. ## Frequently Bought Together - Inogen One G3 Standard (8-Cell) Battery - Portable Replacement Battery - Oxygen Accessory - for The One G3 – 1.3 lbs. – 8.75 x 3.0 x 1 in. - Inogen One G3 Replacement Column Pair - Oxygen Accessories - Two Removable Metal Columns - 1.63 lbs., 17.8 x 3.66 x 3.62 in. - Inogen One G3 External Battery Charger - Lightweight and Portable Charging for The Inogen One G3-0.12 lb. - 3.13 in. W x 2.75 in. L x 1 in. H --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/711919237-inogen-one-g3-standard-8-cell-battery-portable-replacement-battery](https://www.desertcart.co.uk/products/711919237-inogen-one-g3-standard-8-cell-battery-portable-replacement-battery) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*