# Battery Blue Star for Xiaomi Redmi Note 8 Pro BM4J 4500 mAh Li‑Ion

**URL:** https://aio.lv/en/product--blue-star-5903396129810--11865580
**Data updated:** 2026-03-09 17:42 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** blue star
**Manufacturer code:** 5903396129810
**EAN:** 5903396129810
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 18.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 15.69 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--blue-star-5903396129810--11865580

## 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

Internal replacement battery Blue Star designed for Xiaomi Redmi Note 8 Pro with model BM4J. Rechargeable 4500 mAh Li‑Ion cell providing main power for smartphone operation. Intended for device restoration, extended runtime and battery replacement; compatible with original form factor and connector for direct swap by a technician or experienced user.

## Long description

Battery Blue Star for Xiaomi Redmi Note 8 Pro BM4J is a rechargeable 4500 mAh Li‑Ion internal replacement battery designed to restore or extend the runtime of a compatible smartphone. The cell matches the original form factor and connector used in the Redmi Note 8 Pro, allowing a direct swap by a technician or an experienced user. It is intended as a primary power source to replace a worn or damaged battery and to return the device to reliable everyday operation.
Advantages
This Blue Star battery offers a high-capacity 4500 mAh rating to provide longer screen-on time and extended standby compared with lower-capacity cells. The Li‑Ion chemistry ensures stable discharge characteristics and efficient energy density for the compact internal space. The replacement unit is manufactured to fit the Xiaomi Redmi Note 8 Pro physical layout and connector type, which simplifies installation and reduces the need for modifications.
Suitable for
 Replacing an original or degraded battery in Xiaomi Redmi Note 8 Pro
 Restoring device runtime after rapid battery drain or failure
 Extending usable battery life for daily use, travel, or extended screen time
 Repairs performed by technicians or experienced users familiar with smartphone disassembly
Key specifications
 Battery chemistry: Lithium‑ion (Li‑Ion)
 Nominal capacity: 4500 mAh
 Designed for: internal replacement compatible with Xiaomi Redmi Note 8 Pro (BM4J form factor)
 Physical type: internal smartphone cell with original-compatible connector
 Intended use: primary power source for smartphone operation
How to use
Power off the smartphone and, if possible, discharge residual charge to a safe level before beginning. Follow a step-by-step disassembly procedure appropriate for Xiaomi Redmi Note 8 Pro: remove the back cover, disconnect the existing battery connector, and detach any adhesive or brackets securing the cell. Install the Blue Star replacement in the original position, reconnect the battery connector, and reassemble the device. After installation, charge the battery fully using the manufacturer-recommended charger and verify normal operation and correct battery reporting in system settings.
Usage recommendations
Use this replacement battery only with the Xiaomi Redmi Note 8 Pro model that matches the original battery form factor and connector. Installation should be carried out by a qualified technician or an experienced user with appropriate tools to avoid damage. Do not puncture or crush the cell; avoid exposure to high temperatures, water, or strong mechanical shock. For safety and longevity, charge with a compatible charger, avoid deep discharge when possible, and follow local regulations for proper disposal or recycling of the old battery.

## FAQ

### How much does the Battery Blue Star for Xiaomi Redmi Note 8 Pro BM4J cost, and is it available for purchase?

The price is 18.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 16 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/11865580/67267059_large.webp