--- product_id: 636711324 title: "DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement" brand: "hxjnldc" price: "4.49 DT" currency: TND in_stock: false reviews_count: 1 url: https://www.desertcart.tn/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony store_origin: TN region: Tunisia --- # 3.85V nominal voltage 550mAh capacity Overcharge & short circuit protection DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement **Brand:** hxjnldc **Price:** 4.49 DT **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your play, protect your gear — never miss a beat! ## Quick Answers - **What is this?** DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement by hxjnldc - **How much does it cost?** 4.49 DT with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony) ## Best For - hxjnldc enthusiasts ## Why This Product - Trusted hxjnldc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Advanced Safety Tech:** Built-in Japanese Seiko IC safeguards against overcharge, overdischarge, and short circuits—play smart, stay safe. - • **Precision Voltage at 3.85V:** Optimized power delivery tailored for seamless compatibility with your wireless noise-cancelling gear. - • **Lightweight & Compact Design:** At just 11g and 28.5×24×7.2mm, it fits discreetly without adding bulk to your premium audio setup. - • **Power-packed 550mAh Capacity:** Keep your Sony WH-CH720N & WH-XB910N gaming earphones juiced longer for uninterrupted sessions. - • **Universal Fit with DIY Flexibility:** Cut, solder, or connect with included heat shrink sleeves—perfect for custom replacements or upgrades. ## Overview This 3.85V 550mAh rechargeable lithium polymer battery is engineered for Sony WH-CH720N, WH-XB910N, and INZONE H9 wireless noise reduction gaming earphones. Featuring a compact 28.5×24×7.2mm form factor and weighing only 11g, it delivers reliable power with advanced Japanese Seiko IC protection against overcharge, overdischarge, and short circuits. Designed for easy DIY installation with a 3-wire JST connector and heat shrink sleeves, it ensures a perfect fit and safe operation for your premium audio devices. ## Description Product Description DC 3.7V Model Table of Square Rechargeable Polymer Lithium Battery (applicable to 3.7V-5V electronic products) Please carefully compare the polarity of the connector before use, the red wire is the positive "+" and the black wire is the negative "-"The yellow ( white) lead is a 'thermistor'，Do not reverse-charge or reverse-connectreverse. 3 -wi r e batteries retain red and black wires, which can replace 2 -wi r e batteries. The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire. Review: No carga la bateria - Por qué no carga al 100 solo llega al 35% cuál es problema??? Quiero apolo en el producto pero no puedo comunicarme ## Features - Compatible with Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement。It can also be used in other 3.85-5V electronic products with power less than 2.117Wh (550mAh).（★ Not applicable to high-power electric tools and model aircraft） - Please note that the specifications and polarity of the connector are based on the product display image,★the red wire is the positive "+" and the black wire is the negative "-"，yellow wire is thermistor "NTC"，Do not reverse-charge or reverse-connectreverse. ★The primary battery of some products has no plug or mismatched plug or mismatched polarity. It doesn't matter, you can cut and solder the plug directly or use our heat shrinkable insulating sleeve to connect the same color wire. - 722428 rechargeable lithium ion polymer battery, nominal voltage 3.85V, full charge voltage 4.2V, capacity 550mAh, power 2.117Wh, ★size 28.5×24×7.2mm(1.122×0.945×0.283inch）(L*W*T), Weight:11g(0.39oz)，Maximum current:0.6A。 It can prevent overcharge, overdischarge, overcurrent, and short circuit. - It‘s consists of of large-capacity A+ lithium battery, Japanese Seiko IC overcharge and overcurrent short circuit protection board, 3302-28 high temperature resistant silicone cable, and genuine JST Pitch 1.0mm ★3 wire connector module. - If there are any quality issues within a year, ★please feel free to contact us via email for replacement. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CHYTS544 | | Amperage | 0.6 Amps | | Antenna Location | Clock | | Battery Capacity | 550 Milliamp Hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 11 Grams | | Battery capacity | 550 Milliamp Hours | | Battery cell composition | Lithium Polymer | | Brand | HXJNLDC | | Brand Name | HXJNLDC | | Compatible Phone Models | WH CH720N, WH XB910 | | Customer Reviews | 2.4 out of 5 stars 6 Reviews | | Item Dimensions | 28 x 24 x 7 millimetres | | Item Weight | 11 Grams | | Manufacturer | HXJN | | Model Name | 402030 | | Model Number | 402030 | | Number of Batteries | 1 C batteries required. | | Number of batteries | 1 C batteries required. | | Product Warranty | 1 | | Recommended uses for product | Clock | | Reusability | Rechargeable | | UPC | 754525114758 | | Unit Count | 1.0 count | | Unit count | 1.0 count | | Voltage | 3.85 Volts (DC) | ## Product Details - **Battery capacity:** 550 Milliamp Hours - **Battery cell composition:** Lithium Polymer - **Brand:** HXJNLDC - **Number of batteries:** 1 C batteries required. - **Recommended uses for product:** Clock ## Images ![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 1](https://m.media-amazon.com/images/I/61C1X0BYjqL.jpg) ![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 2](https://m.media-amazon.com/images/I/71bGdJE0CCL.jpg) ![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg) ![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 4](https://m.media-amazon.com/images/I/81gkArxdQYL.jpg) ![DC 3.85V 550mAh 722428 Rechargeable lithium battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless noise reduction gaming earphones Battery Replacement - Image 5](https://m.media-amazon.com/images/I/61-09GlWwEL.jpg) ## Customer Reviews ### ⭐ No carga la bateria *by N***A on 9 February 2025* Por qué no carga al 100 solo llega al 35% cuál es problema??? Quiero apolo en el producto pero no puedo comunicarme ## Frequently Bought Together - HXJNLDC DC 3.85V 550mAh 722428 Rechargeable Lithium Battery for Sony WH-CH720N、WH-XB910N、INZONE H9 Wireless Noise Reduction Gaming Earphones Battery Replacement - WC Freeze Inzone - Cooling Gel Replacement Earpads for Sony Inzone H9 & H7 Headphones by Wicked Cushions - Boost Comfort, Durability, Thickness & Sound Isolation for Epic Gaming | Black - Sony INZONE H9 Gaming Headset, Wireless Noise Canceling Bluetooth Headset With Microphone, 360 Spatial Sound, For PC and PS5 (WH-G900N), White --- ## 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.tn/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony](https://www.desertcart.tn/products/636711324-dc-3-85v-550mah-722428-rechargeable-lithium-battery-for-sony) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-11*