--- product_id: 146592281 title: "Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in." price: "€ 704.51" currency: EUR in_stock: true reviews_count: 8 url: https://www.desertcart.hr/products/146592281-inogen-extended-8-cell-battery-replacement-battery-for-the-inogen store_origin: HR region: Croatia --- # Up to 5 hrs battery life 3 versatile charging modes Lightweight 1.1 lb design Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in. **Price:** € 704.51 **Availability:** ✅ In Stock ## Summary > 🔋 Power your day, wherever it leads. ## Quick Answers - **What is this?** Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in. - **How much does it cost?** € 704.51 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/146592281-inogen-extended-8-cell-battery-replacement-battery-for-the-inogen) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Featherlight Portability:** At just 1.1 pounds, carry your oxygen therapy effortlessly wherever life takes you. - • **Perfect for Long Adventures:** Ideal for extended trips, this battery frees you from bulky tanks and keeps pace with your lifestyle. - • **Triple Charging Flexibility:** Charge your battery your way with three compatible methods—never miss a beat. - • **Quick-Swap User Interchangeable:** Easily replace batteries on the go—no downtime, just seamless mobility. - • **Extended Power for All-Day Freedom:** Enjoy up to 5 hours of uninterrupted oxygen support—stay active without compromise. ## Overview The Inogen Extended (8-Cell) Battery is a lightweight, FAA-approved replacement battery designed for the Inogen One G4 and Rove 4 portable oxygen concentrators. Delivering up to 5 hours of pulse-dose oxygen on setting 1, it supports active lifestyles with three charging options and user-friendly quick swaps, making it perfect for longer trips and continuous mobility. ## Description Product description Inogen Accessories Designed for the Inogen Rove 4 and Inogen One G4* Inogen Standard Battery Inogen Extended Battery External Battery Charger Battery Duration Up to 2 hours, 30 minutes** Up to 5 hours** Charging Times Up to 3 hr to fully charge standard batteries and 5 hr for extended batteries Weight 0.6 pounds 1.1 pounds 0.12 pounds Features Portable, rechargeable, FAA approved for air travel*** Enables continued portable use of the Inogen One G4 and Inogen Rove 4 Review: Good buy - Great price for the battery. Works perfect. Lasts as long as it indicates. Review: Works wonderful - Works wonderful. Battery life depends on setting. The higher, or more often, the less time you get. Keep that in mind. ## Features - Extended Battery Life: The Inogen Extended Battery offers up to 5 hours of battery life on pulse-dose setting 1, giving you time to enjoy your activities before recharging. - Portability: Designed for the Inogen Rove 4 and Inogen One G4, this lightweight and compact battery allows you to take your oxygen therapy on the go. - Multiple Charging Options: Compatible with three different charging methods, this battery complements an active lifestyle and provides flexible power solutions. - Patient Interchangeable: The battery is designed for user removal, allowing for quick swaps. - An Ideal Option for Longer Trips: With the extra battery life, you can take long trips that may be challenging with an oxygen tank, making daily oxygen use convenient. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #166,077 in Health & Household ( See Top 100 in Health & Household ) #316 in Oxygen Accessories | | Customer Reviews | 4.6 out of 5 stars 327 Reviews | ## Product Details - **Number of Batteries:** 1 Lithium Ion batteries required. - **Brand:** Inogen - **Recommended Uses For Product:** Laptop - **Unit Count:** 1.00 Count - **Reusability:** Rechargeable ## Images ![Inogen Extended (8-Cell) Battery - Replacement Battery - for The Inogen One G4/Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in. - Image 1](https://m.media-amazon.com/images/I/71-Dh6i+YJL.jpg) ## Questions & Answers **Q: O2 concentration(s)? Flow rates (L/m)? What is "pulse flow rate 1. 2, 3"??** A: This is a battery, not the concentrator. Please call 1-800-775-0942 for more information on the G4. **Q: Does the inogen one double battery also fit the oxygen next machine** A: No. Each machine requires its own battery **Q: Is this a lighter version of the BA-408 ?** A: No this is the BA-408. **Q: will this battery work with the oxygo fit double** A: Yes it works with the Oxygo fit. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Can't live without it *by T*** on July 12, 2025* It inogen battery for my portable inogen oxygen portable concentrator I can't live without it. Thankfully it's been working for 2 weeks now no problem. Hopefully it last a couple of years and I'm still on earth breathing Why did you pick this product vs others?:Inogen battery for my inogen oxygen portable concentrator ### ⭐⭐⭐⭐⭐ Works perfect *by L***R on July 19, 2025* Just like I got it from the manufacturer except less $$. Even came in an inogen box ### ⭐⭐⭐⭐⭐ My Inogen *by A***R on June 21, 2025* Excellent product would bye again. The right product for my Inogen. ## Frequently Bought Together - Inogen Extended (8-Cell) Battery - Replacement Battery - for The One G4 Rove 4-1.1 lb. - 5.91 x 2.68 x 1.34 in. - Inogen External Battery Charger - for Rove 4 and Inogen One G4 - Portable Oxygen Device Battery Charger - 0.12 lbs. and 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.hr/products/146592281-inogen-extended-8-cell-battery-replacement-battery-for-the-inogen](https://www.desertcart.hr/products/146592281-inogen-extended-8-cell-battery-replacement-battery-for-the-inogen) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-06-29*