--- product_id: 358353816 title: "Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker" brand: "rapthor" price: "220 som" currency: KGS in_stock: false url: https://www.desertcart.kg/products/358353816-rapthor-3500mah-rechargeable-replacement-lithium-battery-compatible-with-harman-kardon store_origin: KG region: Kyrgyzstan --- # 3500mAh High Capacity Easy Quick Install Kit Built-in Safety Circuit Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker **Brand:** rapthor **Price:** 220 som **Availability:** ❌ Out of Stock ## Summary > 🔋 Recharge your vibe, not just your speaker! ## Quick Answers - **What is this?** Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker by rapthor - **How much does it cost?** 220 som with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/358353816-rapthor-3500mah-rechargeable-replacement-lithium-battery-compatible-with-harman-kardon) ## Best For - rapthor enthusiasts ## Why This Product - Trusted rapthor brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First, Always:** Advanced protection against overcharge, discharge, and short circuits. - • **Plug & Play Simplicity:** Includes screwdriver and plastic tool for a hassle-free battery swap. - • **Seamless Compatibility:** Perfect fit for Harman Kardon Onyx Studio 1 through 4 models. - • **Power That Lasts Longer:** 3500mAh capacity outperforms the original for extended playtime. - • **Engineered for Durability:** Foam cushioning and reinforced wiring ensure lasting, stable connections. ## Overview The Rapthor 3500mAh Rechargeable Replacement Lithium Battery is a high-capacity, easy-to-install power solution designed specifically for Harman Kardon Onyx Studio 1-4 Bluetooth speakers. Featuring built-in safety circuits and durable construction, it ensures longer playtime and reliable performance, backed by a 1-year warranty. ## Description desertcart.com: Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker : Toys & Games ## Features - 3500mAh High Capacity Lithium Battery: Higher capacity than original battery, longer-lasting performance. - Easy to Use: Simply quick install with included screwdriver and plastic tool. - Considerate Details: Foam strip for cushion absorbing, durable and longer than original’s battery wire for better connection, sponge tape well protects the connector wire from damage. - Safe Performance: Built-in protection circuit well protects the rechargeable battery from over-charge, over-discharge, short-circuit. - Compatibility: Compatible with Harman Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099NJVQQ7 | | Amperage | 3500 milliamps | | Best Sellers Rank | #352,176 in Toys & Games ( See Top 100 in Toys & Games ) #2,313 in Hobby Remote & App Controlled Vehicle Batteries | | Brand | rapthor | | Built-In Media | Install tool, Replacement battery, Screwdriver | | Color | Black | | Compatible Devices | Compatible with Harman Kardon Onyx Studio 1/2/3/4 | | Compatible Phone Models | Compatible with Harman Kardon Onyx Studio 1/2/3/4 | | Connectivity Technology | Bluetooth | | Connector Type | wireless | | Customer Package Type | Standard Packaging | | Customer Reviews | 4.4 4.4 out of 5 stars (334) | | Enclosure Material | Plastic | | Input Voltage | 3.7 volts | | Item Weight | 0.11 kg | | Manufacturer | MSW (Shenzhen) Technology Limited | | Model Name | Replacement Battery | | Number of Items | 1 | | Number of Power Levels | 1 | | Output Voltage | 3.7 volts | | Power Plug | No Plug | | Power Source | Battery Powered | | Special Features | Easy to Install, Higher Capacity, Short Circuit Protection | | UPC | 735818080479 | | Unit Count | 1 Count | | Voltage | 3.7 volts | | Warranty Description | 1 year warranty provided. | | Wattage | 12.95 watts | ## Product Details - **Amperage:** 3500 milliamps - **Brand:** rapthor - **Color:** Black - **Compatible Devices:** Compatible with Harman Kardon Onyx Studio 1/2/3/4 - **Compatible Phone Models:** Compatible with Harman Kardon Onyx Studio 1/2/3/4 - **Connector Type:** wireless - **Included Components:** Install tool, Replacement battery, Screwdriver - **Input Voltage:** 3.7 volts - **Special Feature:** Easy to Install, Higher Capacity, Short Circuit Protection - **Wattage:** 12.95 watts ## Images ![Rapthor 3500mAh Rechargeable Replacement Lithium Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker - Image 1](https://m.media-amazon.com/images/I/716QlRKgC-L.jpg) ## Questions & Answers **Q: Any feedback after using it for a while?** A: Sorry charged after it arrived and haven’t used it. So I don’t know how long it holds a charge ## Frequently Bought Together - Rapthor 3500mAh Rechargeable Replacement Battery Compatible with Harman Kardon Onyx Studio 1/2/3/4 Wireless Bluetooth Speaker - for Harman Kardon Charger Onyx Studio 8 7 6 5 4 3 2 1 Wireless Bluetooth Speaker Replacement Harmon Kardon Charger 19V AC Power Cord Supply【10 FT】 VHBW - Charger for Harman Kardon Onyx Studio 8 7 6 5 4 3 2 1 Wireless Bluetooth Portable Speaker Compatible with Harman Kardon Charger 19V 38W AC Charger Fast Replacement Power Adapter --- ## 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.kg/products/358353816-rapthor-3500mah-rechargeable-replacement-lithium-battery-compatible-with-harman-kardon](https://www.desertcart.kg/products/358353816-rapthor-3500mah-rechargeable-replacement-lithium-battery-compatible-with-harman-kardon) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-09-13*