--- product_id: 629709806 title: "DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement" brand: "hxjnldc" price: "VT48" currency: VUV in_stock: false url: https://www.desertcart.vu/products/629709806-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony store_origin: VU region: Vanuatu --- # 3.7V nominal voltage, 4.2V max charge 320mAh high-capacity power Built-in multi-protection circuit DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement **Brand:** hxjnldc **Price:** VT48 **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your sound, protect your vibe. ## Quick Answers - **What is this?** DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement by hxjnldc - **How much does it cost?** VT48 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/629709806-dc-3-7v-320mah-621733-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 - • **Compact Powerhouse:** Slim 34×17×6.2mm size packs 320mAh for extended headphone life - • **Advanced Safety Tech:** Japanese Seiko IC guards against overcharge, overdischarge & short circuits - • **Universal Flexibility:** Works with other 3.7-5V devices under 1.184Wh—adaptable and reliable - • **Hassle-Free Replacement:** Easy solder or plug-in with included heat shrink sleeve & 1-year warranty support - • **Seamless Sony Compatibility:** Perfect fit for WF-C500, WF-XB700, WF-H800, WF-SP800N, WF-1000XM4 & WH-CH series ## Overview This 3.7V 320mAh rechargeable lithium polymer battery is engineered for select Sony headphones and compatible 3.7-5V devices under 1.184Wh. Featuring a compact design, advanced Japanese Seiko IC protection, and a durable silicone cable with JST connector, it ensures safe, reliable power with overcharge and short circuit safeguards. Lightweight at 6.5g, it’s the perfect upgrade for extended wireless audio freedom, backed by a 1-year replacement warranty. ## Description Full description not available ## Features - Compatible with SONY WF-C500、WF-XB700、WF-H800、WF-SP800N、WF-1000XM4 Headphone Warehouse and WH-CH500、WH-CH510 Headphone battery replacement。It can also be used in other 3.7-5V electronic products with power less than 1.184Wh (320mAh).（★ 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 "-"，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. - 621733 rechargeable lithium ion polymer battery, nominal voltage 3.7V, full charge voltage 4.2V, capacity 320mAh, power 1.184Wh, ★size 34×17×6.2mm(1.3×0.67×0.244inch）(L*W*T), Weight:6.5g(0.23oz)，Maximum current:0.3A。 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, 3302-26 high temperature resistant silicone cable, and genuine JST Pitch 1.25mm ★2 wire connector module. - If there are any quality issues within a year, ★please feel free to contact us via email for replacement. ## Product Details - **Number of batteries:** 1 C batteries required. - **Brand:** HXJNLDC - **Battery cell composition:** Lithium Polymer - **Battery capacity:** 320 Milliamp Hours - **Recommended uses for product:** Camera, Clock ## Images ![DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement - Image 1](https://m.media-amazon.com/images/I/61t3wX6XvDL.jpg) ![DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement - Image 2](https://m.media-amazon.com/images/I/71-BfeM8pdL.jpg) ![DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement - Image 3](https://m.media-amazon.com/images/I/81jSmvePDIL.jpg) ![DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement - Image 4](https://m.media-amazon.com/images/I/81ygEeonPJL.jpg) ![DC 3.7V 320mAh 621733 Rechargeable lithium battery for SONY WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone battery replacement - Image 5](https://m.media-amazon.com/images/I/61qXLRaoOlL.jpg) ## Frequently Bought Together - HXJNLDC DC 3.7V 320mAh 621733 Rechargeable Lithium Battery for Sony WF-C500,WF-XB700，WF-H800，WF-SP800N，WF-1000XM4 Headphone case and WH-CH500,WH-CH510 Headphone Battery Replacement - Sony WF-1000XM5 The Best Truly Wireless Bluetooth Noise Canceling Earbuds & in-Ear Headphones with Alexa Built-in, Black - Comply Memory Foam Replacement Earbud Tips for Sony True Wireless Earbuds | Ultimate Comfort, Secure Fit, Superior Noise Isolation | Anti Slip, Prevent from Falling Out | Black, Medium (3 Pairs) --- ## 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.vu/products/629709806-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony](https://www.desertcart.vu/products/629709806-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony) --- *Product available on Desertcart Vanuatu* *Store origin: VU* *Last updated: 2026-05-04*