# Replacement battery Maxlife for Xiaomi Redmi Note 7 BN4A 4000mAh lithium-ion

**URL:** https://aio.lv/en/product--maxlife-oem0300510--5049334
**Data updated:** 2026-03-07 15:12 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** maxlife
**Manufacturer code:** OEM0300510
**EAN:** 5900495000552
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--maxlife-oem0300510--5049334

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Maxlife replacement battery for Xiaomi Redmi Note 7, model BN4A, 4000mAh. Lithium-ion internal smartphone battery designed to restore original power capacity and runtime. Intended for use as a direct replacement in compatible Redmi Note 7 devices; suitable for extending device uptime, replacing a worn or failing cell, and improving standby and talk time. Fitted to original battery compartment and connectors for straightforward installation by a technician or skilled user.

## Long description

Maxlife replacement battery for Xiaomi Redmi Note 7 BN4A is a 4000mAh lithium-ion internal smartphone battery designed to restore the original power capacity and extend device runtime. Engineered as a direct fit for compatible Redmi Note 7 models, this battery matches the original shape and connector layout to allow straightforward installation by a technician or a skilled user. The pack employs selected high-quality cells and integrated protection circuitry to maintain stable performance and a longer service life compared with worn-out cells.
Advantages
The battery provides a nominal capacity of 4000mAh to improve standby and talk time while supporting normal daily usage patterns. Built-in safety features include dual IC protection that guards against overcharge and over-discharge, helping to protect the battery and the device from common electrical faults. Quality-selected cells contribute to consistent voltage delivery and reduced self-discharge, which helps preserve usable charge between charges.
Suitable for
Replacing a worn or failing battery in compatible Redmi Note 7 smartphones
Restoring original battery life and daily runtime
Phone repairs performed by technicians or experienced users
Extending standby time for devices used intensively for calls, apps, and browsing
Key specifications
Battery type: lithium-ion internal smartphone battery
Nominal capacity: 4000 mAh
Compatibility: designed for Xiaomi Redmi Note 7 (BN4A compatible models)
Protection: dual IC protection against overcharge and over-discharge
Installation: direct replacement with original connector layout and form factor
How to use
Power down the smartphone and remove the back cover and any screws per the device repair manual before replacing the battery. Carefully disconnect the existing battery connector, remove the old cell, and position the Maxlife BN4A battery in the original compartment, ensuring the connector is aligned and seated correctly. Reconnect the connector, reassemble the phone, and perform a full charge cycle before normal use. If unsure about disassembly or connector handling, seek assistance from a qualified technician to avoid damage to the device.
Usage recommendations
Use an appropriate charger and charging cable rated for the device and avoid exposing the battery to extreme temperatures. Do not pierce, crush, or short-circuit the battery. To maximize battery lifespan, avoid keeping the battery at extremely low or full charge for prolonged periods and follow safe disposal practices for the replaced battery in accordance with local regulations.

## FAQ

### How much does the Maxlife battery for Xiaomi Redmi Note 7 BN4A 4000mAh cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 08.07.2026 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 maxlife 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 maxlife 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/5049334/51091620_large.webp