--- product_id: 653784374 title: "Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case" brand: "swarking" price: "€ 27.24" currency: EUR in_stock: true category: "Swar King" url: https://www.desertcart.gr/products/653784374-rechargeable-0-cycle-replacement-battery-702428-compatible-with-sony-inzone store_origin: GR region: Greece --- # Fast Charging & High Efficiency 547+ Recharge Cycles Durability 520mAh Polymer Capacity Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case **Brand:** swarking **Price:** € 27.24 **Availability:** ✅ In Stock ## Summary > 🔋 Recharge Your Sound, Recharge Your Day! ## Quick Answers - **What is this?** Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case by swarking - **How much does it cost?** € 27.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/653784374-rechargeable-0-cycle-replacement-battery-702428-compatible-with-sony-inzone) ## Best For - swarking enthusiasts ## Why This Product - Trusted swarking brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Risk-Free Upgrade:** 35-Hour Responsive Customer Guarantee for Peace of Mind - • **Seamless Compatibility:** Perfect Fit for Sony WF-1000XM4 Charging Case - • **Power Up with Confidence:** A+ Grade UL Certified Cells for Reliable Performance - • **Endless Listening Sessions:** Supports Over 547 Recharge Cycles to Keep You Going - • **Quick & Efficient Charging:** Optimized for Fast Charging Without Compromise ## Overview This Rechargeable 0-Cycle Replacement Battery (Model 702428) is a premium, UL certified lithium polymer battery with a 520mAh capacity, designed exclusively for the Sony WF-1000XM4 charging case. Engineered for durability, it delivers over 547 recharge cycles with fast charging efficiency, ensuring your earbuds stay powered longer. Backed by strict quality control and a responsive customer guarantee, it’s the smart upgrade for professionals who demand uninterrupted premium audio. ## Description Specification： Part number：702428 Type：Polymer Capacity：520mAh/2.0Wh Compatible models： Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case Package includes： -1 x Grade A+ Battery+1 x Set of Tool Kit Product Description： ✔1.We don’t provide an instruction manual. You can find instructional videos on YouTube. We always recommend a trained technician replace it. ✔2.To have the best use effect, please use up all the battery power until the phone automatically shuts down, and then fully charge it. Repeat this action 3-5 times to make the battery achieve its best use effect. ✔3. Do not use low quality third-party adapter charger to charge your device, that will shorten the battery's life. Note： 1. Please double check the model number of your device before purchasing to determine if this battery is compatible with your device. 2. Due to lighting and screen differences, product colours may vary slightly from the images. 9.Please do not hesitate to contact us if you have any questions or queries about the products you have received. ## Features - Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case. Please verify your equipment compatibility with this replacement battery before ordering - Durable: 100% brand new,high quality,Premium upgraded battery featuring A+ grade cells. Each battery undergoes rigorous quality control testing before shipment, ensuring fast charging, high efficiency, and reliable durability - Quality Assurance: All batteries feature the highest safety standards, including overcharge protection, overheat protection, short-circuit protection, and efficient thermal management. Our dual IC design ensures your battery remains reliable under any conditions - Easy Installation: Although no manual is included, numerous installation tutorial videos are available on YouTube for reference. Installation by a qualified technician is strongly recommended - Inquiries Welcome: If you have any questions about this product, please contact us anytime. We will respond as quickly as possible and provide you with a satisfactory solution ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0D3DHLD6X | | Antenna Location | Indoor/Outdoor | | Battery Capacity | 520 Milliamp Hours | | Battery Cell Composition | Polymer | | Battery Cell Type | Polymer | | Battery Weight | 100 Grams | | Best Sellers Rank | #1,441 in Camcorder Batteries | | Brand | SwarKing | | Manufacturer | shenzhen baoran keji youxiangongsi | | Model Name | 702428 US | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Recommended Uses For Product | Indoor/Outdoor | | Reusability | Rechargeable | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts (DC) | | Warranty Description | 6 Month Warranty Against Manufacturer Defects | ## Product Details - **Battery Capacity:** 520 Milliamp Hours - **Battery Cell Composition:** Polymer - **Brand:** SwarKing - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended Uses For Product:** Indoor/Outdoor ## Images ![Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case - Image 1](https://m.media-amazon.com/images/I/61Bp8HgExRL.jpg) ![Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case - Image 2](https://m.media-amazon.com/images/I/616q486sk6L.jpg) ![Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case - Image 3](https://m.media-amazon.com/images/I/61yuY2C-blL.jpg) ![Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case - Image 4](https://m.media-amazon.com/images/I/61dEs0c-clL.jpg) ![Rechargeable 0-Cycle Replacement Battery 702428 Compatible with Sony INZONE H9 / WH-CH720N Headphones Headset,WF-1000XM4 Headphones Charging Case - Image 5](https://m.media-amazon.com/images/I/71f0f4eZw0L.jpg) ## Frequently Bought Together - SwarKing Replacement Battery 702428 Compatible with Sony WF-1000XM4 702428 Charging Case - AirFoams Pro Universal Memory Foam Ear Tips with Silicone Shield Patented for Sony WF-1000XM5, WF-1000XM4, Powerbeats Pro 2, Beat Fit Pro, Beats Studio Buds Plus, Beats Flex. Replacement. (SML) - Spigen Rugged Armor Designed for Sony WF-1000XM5 Case Cover (2023) Durable Protection - Matte Black --- ## 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.gr/products/653784374-rechargeable-0-cycle-replacement-battery-702428-compatible-with-sony-inzone](https://www.desertcart.gr/products/653784374-rechargeable-0-cycle-replacement-battery-702428-compatible-with-sony-inzone) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-05-31*