--- product_id: 434969692 title: "3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0" brand: "startong" price: "€ 32.81" currency: EUR in_stock: true reviews_count: 3 category: "Startong" url: https://www.desertcart.gr/products/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf store_origin: GR region: Greece --- # 3.7V nominal voltage for stable performance 300+ recharge cycles for long-lasting use 800mAh high-capacity power 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 **Brand:** startong **Price:** € 32.81 **Availability:** ✅ In Stock ## Summary > 🔋 Stay powered, stay ahead—never miss a beat or a meeting! ## Quick Answers - **What is this?** 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 by startong - **How much does it cost?** € 32.81 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/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-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 - • **Built to Last:** Over 300 recharge cycles mean fewer replacements and more uninterrupted productivity. - • **Power Up Your Day:** 800mAh capacity ensures your Sony earbuds stay charged longer, keeping you connected through back-to-back meetings and playlists. - • **Compact & Lightweight:** At just 25g and slim dimensions, it fits perfectly without adding bulk—carry power without the weight. - • **Certified Safety First:** UL, CE, UN38.3, and RoHS certifications guarantee a reliable, safe battery you can trust in your daily hustle. - • **Seamless Compatibility:** Specifically engineered for Sony WF-1000XM3 and WF-SP900 charging cases—plug and play without a hitch. ## Overview This 3.7V 800mAh Li-ion Polymer replacement battery is designed for Sony WF-1000XM3 and WF-SP900 charging cases, delivering reliable, long-lasting power with over 300 recharge cycles. Certified for safety and engineered for seamless compatibility, it offers a compact, lightweight solution to keep your premium wireless earbuds charged and ready. ## Description Battery Type: Li-ion Polymer battery Capacity: 800mAh Nominal Voltage: 3.7V Pack Dimension: 50.00 x 17.00 x 14.00 mm Weight: 25g Working Temperature: Less than 60℃(140℉)Compatible Models: Sony WF-1000XM3 WF-SP900 Charging Case Compatible Battery Part Number: 1588-0911Cautions: 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: Excelente producto - Buena y fácil de instalar Review: Doesn't hold a charge - 5 months old and now doesn't hold a charge anymore. ## Features - Compatible Models: Sony WF-1000XM3 WF-SP900 Charging Case; Compatible Battery Part Number: 1588-0911 - 100% Compatible with original battery; 180 days warranty - Capacity: 800mAh; Nominal Voltage: 3.7V - Battery Type: Li-ion Polymer 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 | B09QPJRHZ2 | | Battery Capacity | 800 milliamp_hours | | Battery Cell Composition | Lithium Polymer | | Battery Cell Type | Lithium Polymer | | Battery Weight | 20 g | | Best Sellers Rank | #255,302 in Electronics ( See Top 100 in Electronics ) #10,243 in Headphone Cases | | Brand | STARTONG | | Customer Reviews | 3.2 out of 5 stars 4 Reviews | | Manufacturer | STARTONG | | Model Number | USN-14500PW | | Number of Batteries | 1 Lithium Polymer batteries required. (included) | | Reusability | Rechargeable | | Unit Count | 1 Count | | Voltage | 3.7 volts | ## Product Details - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Brand:** STARTONG - **Battery Cell Composition:** Lithium Polymer - **Battery Capacity:** 800 Milliamp Hours - **Unit Count:** 1 Count ## Images ![3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 - Image 1](https://m.media-amazon.com/images/I/41sRC4Q+dpL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excelente producto *by P***O on August 6, 2025* Buena y fácil de instalar ### ⭐⭐ Doesn't hold a charge *by S***N on July 15, 2026* 5 months old and now doesn't hold a charge anymore. ### ⭐ Low capacity *by G***8 on April 11, 2024* Replace my 3 years old OEM battery, only half capacity of the new OEM. ## Frequently Bought Together - STARTONG 3.7V 800mAh Replacement Battery for Sony WF-1000XM3 WF-SP900 Wireless Bluetooth Earphones Charging Case, 1588-0911 USN-14500PW 0 - STRENG-CELL 2 Pack CP1254 Replacement Battery for Sony Wf1000X XM3 SP600 700 900 Battery Jabra Rox BandO H5 E6 Galaxy Buds Bluetooth Headset Battery Varta ICR LIR 1254 A2 A3 Made in Germany --- ## 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/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf](https://www.desertcart.gr/products/434969692-3-7v-800mah-replacement-battery-for-sony-wf-1000xm3-wf) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-08-25*