# Battery Maxximus for Xiaomi Redmi 4A BN30 3150mAh Li-ion

**URL:** https://aio.lv/en/product--maxximus-bmx000003--11865414
**Data updated:** 2026-03-09 17:42 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Maxximus
**Manufacturer code:** BMX000003
**EAN:** 5901313833437
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 12.99 €
**Prices and availability valid until:** 2026-07-24 23:59
**Price without VAT (21%):** 10.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--maxximus-bmx000003--11865414

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Replacement internal battery Maxximus for Xiaomi Redmi 4A, model compatible with BN30 cell. Lithium-ion chemistry with 3150mAh nominal capacity designed to restore runtime and replace worn original battery. Intended for use in Redmi 4A phones for everyday tasks, calls, browsing and media; suitable for repair shops and DIY replacement following device-specific replacement instructions.

## Long description

Replacement internal battery Maxximus for Xiaomi Redmi 4A, compatible with the BN30 cell and rated at 3150mAh. This lithium‑ion battery is designed to restore mobile runtime for Xiaomi Redmi 4A devices where the original battery has degraded. It provides standard voltage and capacity characteristics suitable for daily smartphone use including calls, web browsing and media playback when installed correctly according to device‑specific guidelines.
Advantages
The Maxximus battery offers a nominal 3150mAh capacity which can extend operating time compared with worn original cells of the same phone model. Its lithium‑ion chemistry ensures stable discharge behavior and compatibility with the Redmi 4A power management system. The battery is shaped and sized for internal replacement in Redmi 4A housings and is intended for use by repair professionals or experienced DIY users following appropriate safety measures.
Suitable for
Replacing a degraded or swollen battery in Xiaomi Redmi 4A
Repair shops performing internal battery replacement services
DIY smartphone repair with proper tools and device‑specific instructions
Restoring daily runtime for calls, browsing and media on Redmi 4A
Key specifications
Battery type: Lithium‑ion (Li‑ion)
Nominal capacity: 3150 mAh
Compatibility: compatible with Xiaomi Redmi 4A (BN30 cell form factor)
Form factor: internal replacement battery sized for Redmi 4A
How to use
Power off the phone and disconnect any external chargers before beginning replacement. Follow device‑specific disassembly instructions for Xiaomi Redmi 4A to access the internal battery, taking care to avoid damaging flex cables and connectors. Remove the old battery according to the phone’s repair procedure, install the Maxximus replacement in the correct orientation, reconnect the battery connector and reassemble the device. After installation, charge the phone fully with a compatible charger and perform a few charge/discharge cycles to allow the phone to calibrate battery level readings.
Usage recommendations
Use only original or certified tools for opening the device and follow electrostatic discharge (ESD) precautions. Do not puncture, crush or expose the battery to high temperatures or fire. Dispose of the removed battery in accordance with local electronic waste regulations. If unsure about replacing the battery yourself, seek assistance from a qualified repair technician.

## FAQ

### How much does the Battery Maxximus for Xiaomi Redmi 4A BN30 cost, and is it available for purchase?

The price is 12.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 17 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 13.07.2026 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 Maxximus 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 Maxximus 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/11865414/67266809_large.webp