# Battery for Xiaomi Mi A3 / Mi 9 Lite Maxlife BM4F 4030mAh replacement

**URL:** https://aio.lv/en/product--maxlife-oem0300499--5049323
**Data updated:** 2026-03-07 15:12 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** maxlife
**Manufacturer code:** OEM0300499
**EAN:** 5900495000422
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--maxlife-oem0300499--5049323

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

Maxlife replacement battery compatible with Xiaomi Mi A3 and Mi 9 Lite, model BM4F, with 4030 mAh capacity. Designed as a direct internal battery replacement to restore device runtime for calls, apps and media. Includes standard connector compatibility and fits original battery compartment dimensions for straightforward installation by a technician or experienced user.

## Long description

Maxlife replacement battery for Xiaomi Mi A3 / Mi 9 Lite, model BM4F, with 4030 mAh capacity is a direct internal battery replacement designed to restore mobile runtime for calls, apps and media. The battery matches the original compartment dimensions and standard connector layout to facilitate installation by a technician or an experienced user. It is built with selected high-quality cells and includes integrated protection circuitry to ensure safe operation.
Advantages
The battery offers increased capacity compared to many standard cells, providing longer time between charges for typical smartphone usage. Dual IC protection systems guard against overcharging and over-discharge, helping to maintain cell health and reduce the risk of damage. Selected high-quality cells contribute to stable voltage delivery and consistent performance during calls, web browsing and media playback.
Suitable for
Xiaomi Mi A3 owners seeking a direct internal battery replacement
Xiaomi Mi 9 Lite users needing restored runtime for daily use
Technicians and experienced users performing battery replacement repairs
Key specifications
Capacity: 4030 mAh
Compatibility: Designed for Xiaomi Mi A3 and Xiaomi Mi 9 Lite phone models
Protection: Dual IC protection against overcharge and over-discharge
Cell type: Selected high-quality lithium-based cells
Form factor: Internal replacement battery matching original compartment dimensions and connector layout
How to use
Power off the device before beginning the replacement. Remove the back cover and any retaining components according to the device-specific disassembly procedure, then disconnect the original battery connector. Install the Maxlife BM4F replacement battery into the original compartment and reconnect the connector, ensuring secure contact and correct alignment. Reassemble the device and perform a full charge cycle before regular use to calibrate the battery management system. If you are not familiar with smartphone disassembly, have the battery replaced by a qualified technician to avoid damage.
Usage recommendations
To extend battery lifespan, avoid deep discharges and prolonged full-charge storage. Use the device’s original or certified chargers and avoid exposing the battery to high temperatures or humidity. If you notice unusual heating, swelling, or performance loss, stop using the battery and consult a technician.

## FAQ

### How much does the Battery Maxlife BM4F 4030mAh for Xiaomi Mi A3 / Mi 9 Lite 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 — 39 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 06.07.2026 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/5049323/51462126_large.webp