---
product_id: 743677911
title: "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: "€ 111.23"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/743677911-1500mah-mx-keys-replacement-battery-for-mx-keys-k800-yr0073
store_origin: CY
region: Cyprus
---

# 3.7V stable voltage output 1500mAh high-capacity power Multi-layer safety protection 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:** € 111.23
**Availability:** ✅ In Stock

## Summary

> 🔋 Power up your productivity—never miss a keystroke!

## Quick Answers

- **What is this?** 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?** € 111.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/743677911-1500mah-mx-keys-replacement-battery-for-mx-keys-k800-yr0073)

## 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

- • **Safety First:** Built-in overcharge, overdischarge, and short circuit protection keeps your devices secure.
- • **Power That Lasts:** 1500mAh capacity ensures extended keyboard and mouse runtime—stay unplugged longer.
- • **Expert Support Always:** Dedicated professional team ready to assist, ensuring your replacement experience is smooth.
- • **Plug & Play Simplicity:** Easy installation with step-by-step online guides—get back to work in minutes.
- • **Seamless Compatibility:** Perfectly matches MX Keys K800 series dimensions for a flawless, hassle-free replacement.

## Overview

The CBQ 1500mAh MX Keys Replacement Battery is a high-quality lithium polymer battery designed specifically for MX Keys K800 series keyboards and mice. Delivering 3.7V and 1500mAh capacity, it offers long-lasting power with multiple built-in safety protections. Its exact size match guarantees easy installation, supported by professional customer service for a seamless replacement experience.

## Description

CBQ 1500mAh MX Keys Replacement Battery for MX Keys K800 YR0073, 802085P 802085 533-000177 533-000221 533-000141,Wireless Keyboard Mouse Replacement Battery

## 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 |
|---------------|-------|
| Brand | CBQ |
| Manufacturer | CBQ |
| Model | K800 MX KEYS YR0073 |
| Model Name | 533-000221 802085P 802085 533-000177 533-000141 |
| Product Dimensions | 1.9 x 8.5 x 0.6 cm; 41 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | K800 MX KEYS YR0073 |
| Compatible Devices | MX KEYS, YR0073, K800 |
| Number of items | 1 |
| Voltage | 3.7 Volts (DC) |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery Capacity | 1500 Milliamp Hours |
| Battery cell composition | Lithium Polymer |
| Manufacturer | CBQ |
| Item Weight | 41 g |

## Product Details

- **Number of Batteries:** 1 Lithium Polymer batteries required. (included)
- **Brand:** CBQ
- **Battery Cell Composition:** Lithium Polymer
- **Battery Capacity:** 1500 Milliamp Hours
- **Recommended Uses For Product:** keyboard
- **Net Quantity:** 1.0 Count
- **Voltage:** 3.7 Volts (DC)
- **Reusability:** Rechargeable
- **Model Name:** 533-000221 802085P 802085 533-000177 533-000141
- **Battery Weight:** 28 Grams

## Images

![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)

## 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
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**Shop now:** [https://www.desertcart.com.cy/products/743677911-1500mah-mx-keys-replacement-battery-for-mx-keys-k800-yr0073](https://www.desertcart.com.cy/products/743677911-1500mah-mx-keys-replacement-battery-for-mx-keys-k800-yr0073)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-29*