# Rechargeable Battery Microsoft BV-T4D 3340mAh for Lumia 940 / 950 XL

**URL:** https://aio.lv/en/product--microsoft-bv-t4d--177464
**Data updated:** 2026-01-13 15:21 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Microsoft
**Manufacturer code:** BV-T4D
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 29.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 24.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--microsoft-bv-t4d--177464

## 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 | 1.99 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Rechargeable Microsoft BV-T4D battery with 3340mAh capacity designed for Microsoft Lumia 940 and 950 XL. Provides replacement power for devices requiring the BV-T4D pack, restoring battery life for calls, apps and media. Intended for direct swap with compatible Lumia models; helps extend mobile usage between charges and supports everyday smartphone tasks.

## Long description

Rechargeable Microsoft BV-T4D 3340mAh battery designed for Microsoft Lumia 940 and 950 XL restores mobile power for calls, apps and media. This replacement battery offers the nominal 3340mAh capacity in the same form factor and connection layout required by compatible Lumia models, allowing a direct swap with the original pack to recover runtime without changing device hardware.
Advantages
The battery provides the stated 3340mAh capacity intended to bring back extended talk and standby times compared with a depleted cell. As a rechargeable lithium-ion pack, it supports standard charging cycles used by the Lumia 940/950 XL chargers and integrates with the device power-management features. The physical dimensions and terminal placement match the original design to ensure correct installation and reliable electrical contact.
Suitable for
Replacing a worn or failing battery in Microsoft Lumia 940
Replacing a worn or failing battery in Microsoft Lumia 950 XL
Restoring mobile runtime for calls, messaging and media playback
Users who prefer to keep original device hardware and extend its usable life
Key specifications
Battery chemistry: rechargeable lithium-ion
Nominal capacity: 3340 mAh
Intended device models: Microsoft Lumia 940, Lumia 950 XL
Form factor: removable smartphone battery sized for compatible Lumia models
Typical operating use: mobile phone power for calls, apps, standby and media
How to use
Power the device off before removing the back cover and taking out the existing battery. Align the replacement battery so its contacts match the device terminals and press it into place; replace the back cover and power the phone on. Charge the battery fully using the original Lumia charger or a compatible USB charger before first use to ensure accurate battery-level reporting. Follow the phone’s on-screen battery status indicators to monitor charge level and health.
Usage recommendations
To prolong battery life, avoid deep discharges and high-temperature exposure. Use the device’s power-saving settings when possible, keep the battery charged between about 20% and 80% for regular use, and store the battery at partial charge if not used for extended periods.

## FAQ

### How much does the Microsoft BV-T4D 3340mAh rechargeable battery cost, and is it available for purchase?

The price is 29.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 12 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. 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 Microsoft 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 Microsoft 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/177464/52356021_large.webp