# Battery for Xiaomi Redmi Note 9 Pro BN52 5020 mAh Li‑Ion — Blue Star

**URL:** https://aio.lv/en/product--blue-star-5903396129827--12237373
**Data updated:** 2026-03-29 16:24 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** blue star
**Manufacturer code:** 5903396129827
**EAN:** 5903396129827
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 19.49 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 16.11 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blue-star-5903396129827--12237373

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Replacement Li‑Ion battery for Xiaomi Redmi Note 9 Pro, model BN52, with 5020 mAh capacity. Manufactured by Blue Star for use as a spare or replacement cell, it restores device runtime and supports standard charging circuits of the Redmi Note 9 Pro. Intended for battery replacement in mobile service or DIY repairs; check compatibility and follow safety and installation guidelines.

## Long description

Replacement Li‑Ion battery for Xiaomi Redmi Note 9 Pro, compatible with the BN52 battery form factor and rated at 5020 mAh. Manufactured by Blue Star for use as a spare or replacement cell, this battery restores device runtime and is designed to work with the standard charging and power management circuits of the Redmi Note 9 Pro. Intended for use in mobile repair workshops or by experienced DIY technicians; ensure compatibility with your device and follow safety and installation guidelines.
Advantages
This Blue Star 5020 mAh battery offers a high-capacity Li‑Ion cell that prolongs operating time compared with lower-capacity replacements. It is manufactured to fit the Redmi Note 9 Pro BN52 form factor and to align with the phone’s power connectors and mounting points. The battery is intended as a direct replacement to restore original battery life and is compatible with the phone’s standard charging protocols.
Suitable for
Replacing a degraded or failing battery in a Xiaomi Redmi Note 9 Pro
Phone repair shops performing battery service or refurbishment
Experienced DIY users performing battery replacement at home
Maintaining longer device runtime for daily use and travel
Key specifications
Battery chemistry: Lithium‑ion (Li‑Ion)
Nominal capacity: 5020 mAh
Form factor: BN52-compatible replacement cell for Redmi Note 9 Pro
Voltage: nominal voltage suitable for Redmi Note 9 Pro power system
Typical application: smartphone internal battery replacement
How to use
Power down the Xiaomi Redmi Note 9 Pro and disconnect any external cables before beginning replacement. Open the device following a model-specific disassembly procedure, taking care to avoid damage to the display and internal components. Remove the original battery by disconnecting its flex cable and any adhesive retainers, then install the Blue Star BN52-compatible battery in the same orientation and reconnect its connector securely. Reassemble the device and perform a full charge cycle before normal use. If you are not experienced with mobile repairs, use professional repair services.
Usage recommendations
Only use the battery with compatible Xiaomi Redmi Note 9 Pro devices and follow manufacturer safety guidelines. Avoid exposing the battery to high temperatures, moisture, puncture, or impact. Use the original or certified chargers and charging cables, and recycle the old battery at an appropriate collection point.

## FAQ

### How much does the Blue Star battery for Xiaomi Redmi Note 9 Pro BN52 cost, and is it available for purchase?

The price is 19.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 15.07.2026 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: 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 blue star 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 blue star 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/12237373/68104906_large.webp