--- product_id: 443862348 title: "3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF)" brand: "startong" price: "823973β‚«" currency: VND in_stock: true reviews_count: 1 category: "Startong" url: https://www.desertcart.vn/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf store_origin: VN region: Vietnam --- # 3.7V nominal voltage for stable performance 300mAh high-capacity power 300+ recharge cycles for long-lasting use 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) **Brand:** startong **Price:** 823973β‚« **Availability:** βœ… In Stock ## Summary > πŸ”‹ Power up your sound, don’t miss a beat! ## Quick Answers - **What is this?** 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) by startong - **How much does it cost?** 823973β‚« with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf) ## Best For - startong enthusiasts ## Why This Product - Trusted startong brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Certified Safety:** UL, CE, UN38.3, and RoHS certifications ensure reliable and safe charging every time. - β€’ **Power That Lasts:** 300mAh Li-ion polymer battery delivers extended playtime to keep your beats going. - β€’ **Confidence Guaranteed:** Backed by a 180-day warranty, so you can upgrade worry-free. - β€’ **Lightweight & Compact:** At just 10g and slim dimensions, it fits discreetly without adding bulk. - β€’ **Seamless Compatibility:** Perfectly fits Sony WF-H800, WF-XB700 & WF-C500 earbuds for hassle-free replacement. ## Overview This 3.7V 300mAh Li-ion polymer replacement battery is engineered for Sony WF-H800, WF-XB700, and WF-C500 wireless earbuds charging cases. Lightweight at 10g and compact, it offers over 300 recharge cycles with certified safety standards (UL, CE, UN38.3, RoHS) and comes with a 180-day warranty, ensuring reliable, long-lasting performance for your premium audio experience. ## Description Battery Type: Li-ion Polymer battery Capacity: 300mAh Nominal Voltage: 3.7V Pack Dimension: 6.0 x 17.5 x 32.0mm Weight: 10g Working Temperature: Less than 60℃(140℉)Compatible Models: Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging CaseCautions: 1. DO NOT ATTEMPT OPEN, DISASSEMBLE THE BATTERY. 2. DO NOT CRUSH, PUNCTURE OR DISPOSE OF IN FIRE OR WATER. 3. DO NOT EXPOSE TO ABOVE 60℃(140℉). Review: I’m happy with the product - Items is good easy to replace ## Features - Compatible Models: Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case - 100% Compatible with original battery; 180 days warranty - Capacity: 300mAh; Nominal Voltage: 3.7V - Battery Type: Li-ion battery; Safe and reliable battery certified by UL, CE, UN38.3, RoHS - Over 300 times cycle life; Long working time ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09QPP2XPF | | Battery Capacity | 300 Milliamp Hours | | Battery Cell Composition | Polymer | | Battery Cell Type | Polymer | | Battery Weight | 10 Grams | | Best Sellers Rank | #388,665 in Electronics ( See Top 100 in Electronics ) #15,401 in Earbud & In-Ear Headphones | | Brand | STARTONG | | Customer Reviews | 5.0 out of 5 stars 3 Reviews | | Item Weight | 10 Grams | | Manufacturer | STARTONG | | Model Number | USN-601730PW-WF | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1 Count | | Voltage | 3.7 Volts | ## Product Details - **Battery Capacity:** 300 Milliamp Hours - **Battery Cell Composition:** Polymer - **Brand:** STARTONG - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Unit Count:** 1 Count ## Images ![3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) - Image 1](https://m.media-amazon.com/images/I/41lbcK15LWL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ I’m happy with the product *by A***L on October 12, 2025* Items is good easy to replace ## Frequently Bought Together - STARTONG 3.7V 300mAh Replacement Battery for Sony WF-H800 WF-XB700 WF-C500 TWS Earbuds Wireless Bluetooth Earphones Charging Case (USN-601730PW-WF) - Sony WF-C700N Truly Wireless Noise Canceling in-Ear Bluetooth Earbud Headphones with Mic and IPX4 Water Resistance, Black - Sony WF-C500 Truly Wireless In-Ear Bluetooth Earbud Headphones with Mic and IPX4 water resistance, Black --- ## 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.vn/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf](https://www.desertcart.vn/products/443862348-3-7v-300mah-replacement-battery-for-sony-wf-h800-wf) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-06-03*