--- product_id: 595262561 title: "CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery" brand: "cbq" price: "AR$43936" currency: ARS in_stock: true reviews_count: 8 category: "Cbq" url: https://www.desertcart.com.ar/products/595262561-cbq-1500mah-mx-keys-replacement-battery-for-mx-keys-k800 store_origin: AR region: Argentina --- # 3.7V stable voltage output 1500mAh high-capacity power Multi-layer safety protection CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery **Brand:** cbq **Price:** AR$43936 **Availability:** ✅ In Stock ## Summary > 🔋 Power your productivity, don’t let your keyboard slow you down! ## Quick Answers - **What is this?** CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery by cbq - **How much does it cost?** AR$43936 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/595262561-cbq-1500mah-mx-keys-replacement-battery-for-mx-keys-k800) ## Best For - cbq enthusiasts ## Why This Product - Trusted cbq brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Advanced Safety Shield:** Built-in protections guard against overcharge, overdischarge, overheating, and short circuits for peace of mind. - • **Long-lasting 1500mAh Capacity:** Keep your MX Keys powered through intense workdays without constant recharging. - • **Dedicated Professional Support:** Access expert help anytime to ensure your keyboard stays powered and productive. - • **Perfect OEM Fit & Compatibility:** Seamlessly replace your K800 MX Keys battery with an exact size and thickness match. - • **Effortless Plug & Play Installation:** Swap batteries in minutes with no hassle—detailed online guides available for smooth setup. ## Overview The CBQ 1500mAh MX Keys Replacement Battery is a high-capacity, 3.7V lithium polymer battery designed specifically for the MX Keys K800 series. It offers an exact OEM fit with multiple built-in safety protections including overcharge and short circuit prevention. Easy to install and backed by professional customer support, it aims to restore your wireless keyboard and mouse combo’s runtime efficiently. ## Description Buy CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery: Keyboard & Mouse Combos - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Terrible quality. The original "dead" battery works much better that this brand new battery!!! - I purchased this battery to replace my loving keyboard. The original was functioning well more than 6 years and was not holding charges recently, So I decided to get this replacement battery and this does not retain charge for only 2-3 days. compared to the original which I was charging it every 2-3 MONTHS. So basically it's working as if the battery was never replaces. Review: Didn't Last Long - Six months later and it does not hold a charge. I have to get a new battery (from someone else). ## Features - 【About product】Part Numbers:533-000221 802085P 802085 533-000177 533-000141.K800 Series Rechargeable Battery . 3.7V 1500mAh/5.55Wh Size:85*19*6mm,Net:28.5g Gross:46g - 【Compatible model】Best original replacement battery,Same size and thickness as your original battery. Fully compatible with your battery. K800 MX KEYS YR0073 series Keyboard and mouse Replacement Battery. - 【Multiple Safety Protection 】The replacement battery is made of high quality batteries, each replaceable battery allows for longer runtime, built-in overcharge, overdischarge, overcurrent, overvoltage, overload, overheat protection, and provides short circuit protection. - 【Easy installation】Just plug in the battery，If you don't know how to install it you can go to the guide on the website and just type " K800 Battery Replacement" into the search box. - 【Professional Services】If you have any questions about our products or during the use of any questions, please contact us, we are always ready to welcome you. We have the most professional technical team to provide you with the perfect solution. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0CN98L3SN | | Batteries | 1 Lithium Polymer batteries required. (included) | | Best Sellers Rank | #861 in Computer Keyboard & Mouse Combos | | Customer Reviews | 2.8 2.8 out of 5 stars (14) | | Date First Available | November 14, 2023 | | Item Weight | 1.44 ounces | | Item model number | K800 MX KEYS YR0073 | | Manufacturer | CBQ | | Product Dimensions | 0.75 x 3.35 x 0.24 inches | ## Product Details - **Battery Capacity:** 1500 Milliamp Hours - **Battery Cell Composition:** Lithium Polymer - **Brand:** CBQ - **Number of Batteries:** 1 Lithium Polymer batteries required. (included) - **Recommended Uses For Product:** keyboard ## Images ![CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery - Image 1](https://m.media-amazon.com/images/I/61G05zSKl6L.jpg) ## Customer Reviews ### ⭐ Terrible quality. The original "dead" battery works much better that this brand new battery!!! *by M***I on February 24, 2025* I purchased this battery to replace my loving keyboard. The original was functioning well more than 6 years and was not holding charges recently, So I decided to get this replacement battery and this does not retain charge for only 2-3 days. compared to the original which I was charging it every 2-3 MONTHS. So basically it's working as if the battery was never replaces. ### ⭐⭐ Didn't Last Long *by C***Y on May 8, 2025* Six months later and it does not hold a charge. I have to get a new battery (from someone else). ### ⭐⭐⭐⭐⭐ Direct replacement *by K***H on April 15, 2024* Did the trick. A bit of a project to disassemble the keyboard to replace this battery, but well worth it. Good as new. A few good You Tube videos to help with the process. ## Frequently Bought Together - CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery - DC 3.7V 600mAh 602535 battery Replacement for Logitech MX Master 2 MX Master 2s MX Master 3 MX Master 3s MX Anywhere 2 MX Anywhere 2S MX Anywhere 3 MX Anywhere 3s MX ERGO Wireless Mouse AHB572535 - Cosmos Replacement Mouse Feet Pads Compatible with MX Master (1st Gen) and Also for MX Master 2S Gaming Mouse, 2 Sets --- ## 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.com.ar/products/595262561-cbq-1500mah-mx-keys-replacement-battery-for-mx-keys-k800](https://www.desertcart.com.ar/products/595262561-cbq-1500mah-mx-keys-replacement-battery-for-mx-keys-k800) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-22*