--- product_id: 628301218 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: "8751₫" currency: VND in_stock: false reviews_count: 6 url: https://www.desertcart.vn/products/628301218-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony store_origin: VN region: Vietnam --- # 320mAh high capacity 3.7V nominal voltage Overcharge & short circuit protection 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:** 8751₫ **Availability:** ❌ Out of Stock ## Summary > 🔋 Power your premium sound with confidence—never miss a beat! ## 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?** 8751₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/628301218-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 - • **DIY Friendly:** Includes heat shrinkable insulating sleeve and clear polarity guidance for easy, safe installation—even if plug connectors differ. - • **Compact Powerhouse:** Slim 34×17×6.2mm design packs 320mAh capacity, delivering reliable energy without bulk. - • **Advanced Safety Tech:** Equipped with Japanese Seiko IC to prevent overcharge, overdischarge, overcurrent, and short circuits—your peace of mind in every charge. - • **Universal Flexibility:** Works with other 3.7-5V devices under 1.184Wh, expanding your battery replacement options beyond headphones. - • **Precision Compatibility:** Seamlessly fits SONY WF-C500, WF-XB700, WF-H800, WF-SP800N, WF-1000XM4 & WH-CH series headphones for hassle-free replacements. ## Overview The HXJNLDC 3.7V 320mAh rechargeable lithium battery is a compact, high-performance replacement designed primarily for select SONY headphone models. Featuring advanced Japanese Seiko IC protection, it ensures safe charging cycles and longevity. Its slim profile and universal compatibility with low-power 3.7-5V devices make it a versatile choice for professionals seeking reliable, hassle-free battery swaps. Backed by a 1-year replacement guarantee, it’s engineered for durability and peace of mind. ## Description Buy 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 online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase. Review: في وصف المنتج مكتوب ان البطارية تستعمل لسماعات سوني wf-1000xm4 ولكن بعد ما اشتريتها اتضح انها تختلف اختلاف تام لان المنفذ يختلف وعدد الاسلاك كذلك يختلف واذا حاولت ربطها سيظهر ضوء احمر على علبة السماعات Review: En remplacement pour un casque CH520. Fonctionne parfaitement depuis ## 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 ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CHYRPGRW | | Amperage | 0.3 Amps | | Antenna Location | Indoor/Outdoor | | Battery Capacity | 320 Milliamp Hours | | Battery Cell Type | Lithium Polymer | | Battery Weight | 6.5 Grams | | Best Sellers Rank | #85,390 in Electronics ( See Top 100 in Electronics ) #633 in Rechargeable Household Batteries | | Brand | HXJNLDC | | Compatible Phone Models | WF XB700 | | Customer Reviews | 3.7 3.7 out of 5 stars (19) | | Item Dimensions | 34 x 17 x 6 millimeters | | Item Weight | 11 Grams | | Manufacturer | HXJN | | Model Name | 402030 | | Model Number | 402030 | | Number of Batteries | 1 C batteries required. | | Reusability | Rechargeable | | UPC | 754525114741 | | Unit Count | 1.0 Count | | Voltage | 3.7 Volts (DC) | ## Product Details - **Battery capacity:** 320 Milliamp Hours - **Battery cell composition:** Lithium Polymer - **Brand:** HXJNLDC - **Number of batteries:** 1 C batteries required. - **Recommended uses for product:** Indoor/Outdoor ## 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/81gkArxdQYL.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) ## Customer Reviews ### ⭐ Review *by I***M on 17 November 2025* في وصف المنتج مكتوب ان البطارية تستعمل لسماعات سوني wf-1000xm4 ولكن بعد ما اشتريتها اتضح انها تختلف اختلاف تام لان المنفذ يختلف وعدد الاسلاك كذلك يختلف واذا حاولت ربطها سيظهر ضوء احمر على علبة السماعات ### ⭐⭐⭐⭐⭐ Review *by B***D on 23 May 2025* En remplacement pour un casque CH520. Fonctionne parfaitement depuis ### ⭐⭐⭐⭐⭐ Review *by よ***ん on 7 October 2025* ソニーのBluetoothイヤホンのケースにバッテリーが駄目になったので交換。1年経ちました普通に使えています ## 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.vn/products/628301218-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony](https://www.desertcart.vn/products/628301218-dc-3-7v-320mah-621733-rechargeable-lithium-battery-for-sony) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-23*