---
product_id: 165025400
title: "New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools"
brand: "e-yiiviil"
price: "NT$1004"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/165025400-new-replacement-battery-bn31-compatible-with-xiaomi-mi-a1-mi
store_origin: TW
region: Taiwan
---

# Fast charging support 3000mAh capacity Includes installation tools New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools

**Brand:** e-yiiviil
**Price:** NT$1004
**Availability:** ✅ In Stock

## Summary

> 🔄 Power Up Your Life! - Don't let a dead battery hold you back!

## Quick Answers

- **What is this?** New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools by e-yiiviil
- **How much does it cost?** NT$1004 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/165025400-new-replacement-battery-bn31-compatible-with-xiaomi-mi-a1-mi)

## Best For

- e-yiiviil enthusiasts

## Why This Product

- Trusted e-yiiviil brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Revive Your Device:** Breathe new life into your Xiaomi Mi A1 with a powerful 3000mAh battery.
- • **Reliable Performance:** Each battery is rigorously tested to ensure optimal performance before it reaches you.
- • **Seamless Compatibility:** Engineered specifically for Xiaomi Mi A1 (Mi 5X) - check your model for a perfect fit.
- • **Customer-Centric Support:** Got questions? Our dedicated team is here to assist you within 24 hours!
- • **Quick & Easy Installation:** Comes with essential tools to make your battery swap a breeze.

## Overview

The New Replacement Battery BN31 is designed for the Xiaomi Mi A1 (Mi 5X), featuring a robust 3000mAh capacity and fast charging capabilities. It includes essential tools for installation and is rigorously tested for reliability. Ensure your device runs smoothly with this easy-to-install battery replacement.

## Description

New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools

## Features

- This battery is compatible with Xiaomi Mi A1 (Mi 5X) , please carefully check your phone model before purchase.
- When you replace your old battery, please carefully and gently disconnect your old battery's cable then connect your new battery to the mainboard. If you phone cannot be powered on with the new battery, you may need to install it again and be sure to check if the cable has been properly connected.
- If you have any questions or got any issues with our product, please feel free to contact us, we will reply to you within 24 hrs. We highly appreciate your kind patience.
- All the batteries have been tested before shipping out, and come with repairing tools for installation. No installation instruction.
- Need professional installation technology,We won't responsible for any damage due to improper operation.

## Product Details

- **Number of Batteries:** 1 Lithium Ion batteries required. (included)
- **Brand:** E-YIIVIIL
- **Battery Cell Composition:** Lithium Ion
- **Battery Capacity:** 3000 Milliampere Hour (mAh)
- **Recommended Uses For Product:** Phone

## Images

![New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools - Image 1](https://m.media-amazon.com/images/I/81Xut7AIuBL.jpg)
![New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools - Image 2](https://m.media-amazon.com/images/I/819LsrNWdeL.jpg)
![New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools - Image 3](https://m.media-amazon.com/images/I/71auExOE3GL.jpg)
![New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools - Image 4](https://m.media-amazon.com/images/I/71WPBAZ7mRL.jpg)
![New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools - Image 5](https://m.media-amazon.com/images/I/71bdvWosqZL.jpg)

## Frequently Bought Together

- E-YIIVIIL New Replacement Battery BN31 Compatible with Xiaomi Mi A1 (Mi 5X) with Tools
- YESUN USB Charging Flex Cable Board with Microphone for Xiaomi Redmi Note 8 Pro Charger Connector Dock Jack Plug Port with IC Support Fast Charge

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**Shop now:** [https://www.desertcart.tw/products/165025400-new-replacement-battery-bn31-compatible-with-xiaomi-mi-a1-mi](https://www.desertcart.tw/products/165025400-new-replacement-battery-bn31-compatible-with-xiaomi-mi-a1-mi)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-02-10*