--- product_id: 814879678 title: "3.7V 2800mAh Replacement Battery Compatible with Harman/Kardon Esquire 2, P/N: CP-HK03, GSP805070" brand: "elinigo" price: "₩81783" currency: KRW in_stock: true category: "Elinigo" url: https://www.desertcart.kr/products/814879678-3-7v-2800mah-replacement-battery-compatible-with-harman-kardon-esquire store_origin: KR region: South Korea --- # 3.7V fast-charging Li-Polymer tech 2800mAh high-capacity power Multi-layered safety protection 3.7V 2800mAh Replacement Battery Compatible with Harman/Kardon Esquire 2, P/N: CP-HK03, GSP805070 **Brand:** elinigo **Price:** ₩81783 **Availability:** ✅ In Stock ## Summary > 🔋 Power up your Esquire 2 with confidence — never miss a beat! ## Quick Answers - **What is this?** 3.7V 2800mAh Replacement Battery Compatible with Harman/Kardon Esquire 2, P/N: CP-HK03, GSP805070 by elinigo - **How much does it cost?** ₩81783 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/814879678-3-7v-2800mah-replacement-battery-compatible-with-harman-kardon-esquire) ## Best For - elinigo enthusiasts ## Why This Product - Trusted elinigo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Protect:** Multi-layered safeguards guard against overcharge, over-discharge, over-voltage, and short circuits for extended battery life. - • **Power That Lasts:** 2800mAh capacity keeps your Harman/Kardon Esquire 2 energized longer than ever. - • **Charge with Confidence:** Advanced Li-Polymer cells support fast charging and deep discharge protection for reliable power delivery. - • **Seamless Compatibility:** OEM-level fit with a fully decoded chip ensures plug-and-play performance identical to the original. - • **Hassle-Free Setup & Support:** Easy installation tutorials plus 51-month warranty and responsive customer service keep you worry-free. ## Overview This brand-new 3.7V 2800mAh Li-Polymer replacement battery is engineered specifically for the Harman/Kardon Esquire 2 (P/N: CP-HK03, GSP805070). Featuring OEM-level compatibility with a fully decoded chip, it delivers reliable, fast-charging power protected by multi-layered safety systems. Lightweight and compact, it includes shock-absorbent packaging and comes backed by a 51-month warranty and dedicated customer support. ## Description Voltage: 3.7VCapacity: 2800mAhBattery Type: Li-PolymerFit Model for:Harman/KardonEsquire 2Compatible Battery Part Number：CP-HK03GSP805070Notice Before Purchase:1.Please confirm the compatibility of this battery with your device by verifying your device model and the part number of your original battery prior to purchase.2.A new battery typically reaches its optimal performance after 2–3 full charge and discharge cycles.3.Ensure the battery connector is firmly and correctly seated in your device during installation.4.To avoid impacting battery lifespan, refrain from using low-quality third-party chargers or adapters. ## Features - 【Perfect Compatibility】Upgraded Li-Polymer Battery Replacement for Harman/Kardon Esquire 2, P/N: New Speaker Battery for CP-HK03, GSP805070 - 【Battery Specifications】Condition: Brand new | Battery type: Li-Polymer| Voltage: 3.7V/Volt | Capacity: 2800mAh/10.36Wh | Size: 67.86 x 48.10 x 7.00mm| Gross Weight: 72.2g | High-quality cells are equipped with fast charging and deep discharge protection systems to ensure reliable and stable power supply - 【Easy Installation & OEM-Level Compatibility】A wealth of installation tutorials are available online, making the set up a breeze. Equipped with an all-new fully-decoded chip, this battery delivers performance identical to that of the original one - 【Premium Quality & Multi-Layered Safety Protection】Crafted to original specs, every battery passes strict testing before shipment. Built-in safeguards against overcharge, over-discharge, over-voltage and short circuits help extend battery lifespan. Shock-absorbent foam is included for secure transit - 【Reliable After-Sales Support】Please don't hesitate to contact us if you need any help about our product or service, we offer email responses within 24 hours, along with a 51-month warranty for your peace of mind. Note:If the battery doesn’t charge, Please check connector alignment ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GTYR8QSF | | Brand | elinigo | | Brand Name | elinigo | | Country of Origin | China | | Manufacturer | Xiangshenghui | | Product Warranty | 1 year | | Unit Count | 1.0 count | | Unit count | 1.0 count | ## Images ![3.7V 2800mAh Replacement Battery Compatible with Harman/Kardon Esquire 2, P/N: CP-HK03, GSP805070 - Image 1](https://m.media-amazon.com/images/I/51WfMX9zlnL.jpg) --- ## 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.kr/products/814879678-3-7v-2800mah-replacement-battery-compatible-with-harman-kardon-esquire](https://www.desertcart.kr/products/814879678-3-7v-2800mah-replacement-battery-compatible-with-harman-kardon-esquire) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-05-31*