# Battery OEM BN31 for Xiaomi Mi 5X — Lithium-Ion 3000mAh, replacement internal battery

**URL:** https://aio.lv/en/product--oem-bn31--988211
**Data updated:** 2025-12-29 05:24 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** OEM
**Manufacturer code:** BN31
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--oem-bn31--988211

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Replacement internal Lithium‑Ion battery OEM BN31 designed for the Xiaomi Mi 5X. Rated capacity 3000 mAh, intended to restore device runtime and replace worn or damaged batteries. Compatible with original Mi 5X battery form factor and connector for direct swap. Useful for improving standby and talk time, eliminating sudden shutdowns, and extending phone service life.

## Long description

Producer: Xiaomi. Product code: BN31. Replacement internal Lithium‑Ion battery designed for Xiaomi smartphones including Mi 5X, Redmi Note 5A, Note 5A Pro and Redmi S2. Nominal capacity is listed as 3080 mAh in manufacturer data and commonly referenced as 3000 mAh in product materials; the battery matches the original BN31 form factor and connector for direct replacement and is intended to restore device runtime, reduce unexpected shutdowns and extend the usable life of the phone. Packed in the manufacturer’s factory poly bag (OEM). Manufacturer warranty: 12 months.
Advantages
The OEM BN31 battery is manufactured to fit the original Xiaomi Mi 5X battery compartment and connector, which simplifies installation and ensures compatibility. Its rated capacity provides restored battery life compared with worn cells and helps improve standby and talk time. Supplied as an internal replacement cell, it enables direct swapping of the original battery without modifying the device and comes with a 12‑month manufacturer warranty.
Suitable for
Xiaomi Mi 5X (Mi5X)
Redmi Note 5A and Redmi Note 5A Pro
Redmi S2
Key specifications
Manufacturer: Xiaomi
Model / MPN: BN31
Chemistry: Lithium‑Ion (Li‑ion)
Rated capacity: 3080 mAh (commonly referenced as 3000 mAh)
Compatibility: internal replacement for specified Xiaomi models
Packaging: OEM — factory poly bag
Manufacturer warranty: 12 months
How to use
Power the phone off and follow standard disassembly precautions before replacing the internal battery. Remove the back cover and any retaining screws or adhesive according to the device’s service guide, disconnect the original BN31 battery connector, and carefully install the replacement taking care not to damage flex cables or contacts. Reassemble the phone, charge the new battery fully before first use, and verify correct operation. If you are not experienced with phone repairs, use a professional repair service to avoid damage.
Usage recommendations
Use only compatible replacement batteries and follow manufacturer safety guidance. Avoid exposing the battery to extreme temperatures, puncture, or water. Recycle the old battery according to local regulations and do not dispose of it with household waste.

## FAQ

### How much does the Battery OEM BN31 for Xiaomi Mi 5X cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All OEM products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OEM service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/988211/4075646_large.webp