--- product_id: 188966521 title: "Freestyle Comfort 16 Cell Battery" brand: "fergrelm h" price: "β‚Ή 102549" currency: INR in_stock: true category: "Fergrelm H" url: https://www.desertcart.in/products/188966521-freestyle-comfort-16-cell-battery store_origin: IN region: India --- # Up to 16 Hours Runtime 6-Hour Fast Recharge 13,400 mAh High Capacity Freestyle Comfort 16 Cell Battery **Brand:** fergrelm h **Price:** β‚Ή 102549 **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power your freedom, wherever life takes you. ## Quick Answers - **What is this?** Freestyle Comfort 16 Cell Battery by fergrelm h - **How much does it cost?** β‚Ή 102549 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/188966521-freestyle-comfort-16-cell-battery) ## Best For - fergrelm h enthusiasts ## Why This Product - Trusted fergrelm h brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Power That Lasts All Day:** Up to 16 hours of uninterrupted oxygen support on setting 1β€”stay active without compromise. - β€’ **Built to Endure 300+ Cycles:** Durable design with LED charge gauge and TEST button for quick, reliable power status checks. - β€’ **Travel-Ready & FAA Approved:** Lightweight and safe for in-flight use, so your oxygen therapy never misses a beat. - β€’ **Fast Recharge, Less Downtime:** Fully recharges in just 6 hours via AC/DC or optional desktop chargerβ€”ready when you are. - β€’ **Double the Standard Battery Life:** 16-cell lithium-ion pack with 13,400 mAh capacity, doubling your freedom on the go. ## Overview The CAIRE FreeStyle Comfort 16-Cell Battery is a premium lithium-ion power source designed for the FreeStyle Comfort Portable Oxygen Concentrator. Offering up to 16 hours of runtime on the lowest setting and a robust 13,400 mAh capacity, it doubles the life of standard batteries. Lightweight at just 3.1 lbs and FAA approved, it’s perfect for travel and daily use. Fast recharge in 6 hours and built to last over 300 charge cycles with convenient LED indicators ensure reliable, long-lasting oxygen support on the move. ## Description The CAIRE FreeStyle Comfort 16-Cell Battery Pack is a genuine extended power solution for the FreeStyle Comfort Portable Oxygen Concentrator. This high-capacity lithium-ion replacement battery delivers up to 16 hours at setting 1 or 8 hours at setting 2, making it ideal for extended flights, long road trips, and active daily use. With 13,400 mAh capacity, the battery recharges in about 6 hours from empty to full using AC, DC, or the optional desktop charger. Built to withstand 300+ charge cycles, it offers lasting reliability and includes a LED charge indicator with TEST button for quick power checks. Designed for convenience, the 16-cell pack weighs just 3.1 lbs and measures 7.3 Γ— 3.1 Γ— 2 inches, keeping the concentrator lightweight at 6 lbs total when installed. FAA approved for in-flight use, this official CAIRE accessory (BT035-1S) ensures safe, portable oxygen therapy wherever you go. ## Features - Extended Runtime – Enjoy up to 16 hours of power at setting 1 (8 hours at setting 2; 6 hours at setting 3) with this official CAIRE accessory. - High Capacity Lithium-Ion – 16-cell battery with 13,400 mAh capacity, doubling the life of the standard 8-cell battery. - Fast Recharge – Fully recharges in about 6 hours using AC/DC power or the optional desktop charger. - Travel Ready & FAA Approved – Safe for in-flight use. Lightweight design keeps the device at only 6 lbs (2.7 kg) with this battery installed. - Reliable & Durable – Designed for 300+ charge cycles, with built-in LED charge gauge and TEST button for quick status checks. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07ZQS6ZJH | | Antenna Location | Camera, Remote Control Vehicle | | Battery Capacity | 16 Volts | | Battery Cell Type | Lithium Ion | | Battery Weight | 964 Grams | | Best Sellers Rank | #272,810 in Health & Household ( See Top 100 in Health & Household ) #1,353 in Coin & Button Cell Batteries | | Brand | FERGRELM H | | Customer Reviews | 4.6 4.6 out of 5 stars (108) | | Item Dimensions | 5.51 x 6.69 x 9.84 inches | | Manufacturer | Caire | | Model Name | Comfort | | Model Number | BT035 | | Number of Batteries | 1 Lithium Ion batteries required. | | Reusability | Rechargeable | | UPC | 019321934505 | | Unit Count | 1.00 Count | | Voltage | 1.5 Volts | | Warranty Description | 1 Year | ## Product Details - **Battery Capacity:** 16 Volts - **Battery Cell Composition:** Lithium Ion - **Brand:** FERGRELM H - **Number of Batteries:** 1 Lithium Ion batteries required. - **Recommended Uses For Product:** Camera, Remote Control Vehicle ## Images ![Freestyle Comfort 16 Cell Battery - Image 1](https://m.media-amazon.com/images/I/31qMQLDkymL.jpg) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.in/products/188966521-freestyle-comfort-16-cell-battery](https://www.desertcart.in/products/188966521-freestyle-comfort-16-cell-battery) --- *Product available on Desertcart India* *Store origin: IN* *Last updated: 2026-07-12*