# Battery DELL NB440900

**URL:** https://aio.lv/en/product--extra-digital-nb440900--4128724
**Data updated:** 2025-12-29 15:41 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440900
**EAN:** 9990000440900
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 47.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 39.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440900--4128724

## 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 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Extra Digital NB440900 battery is designed for DELL laptops, specifically compatible with models T54FJ and NB440900. This high-quality battery ensures reliable performance and longevity, providing your device with the power it needs to operate efficiently. With its easy installation and durable design, it is the perfect replacement for your old or worn-out battery, allowing you to enjoy extended usage time without interruptions.

## Long description

The Extra Digital NB440900 battery is designed for DELL laptops and is compatible with models T54FJ and NB440900. This lithium-ion replacement provides 6600 mAh capacity in a durable black housing and is intended to restore portable power to your notebook with reliable performance and long service life.
Advantages
The battery uses balanced, high-quality rechargeable Li-Ion cells that minimise capacity loss over time and eliminate the memory effect, allowing charging at any time. Its 6600 mAh capacity offers extended runtime compared with many factory batteries, and the straightforward design ensures easy installation and compatibility with supported DELL models.
Suitable for
Replacing a worn or failing battery in compatible DELL laptops (T54FJ / NB440900)
Users who need longer unplugged runtime for mobile work
Swapping batteries for maintenance or backup during travel
Key specifications
Brand: extra digital
Manufacturer part number (MPN): NB440900
EAN: 9990000440900
Battery technology: Lithium-Ion (Li-Ion)
Capacity: 6600 mAh
Colour: Black
Compatible models: DELL T54FJ, NB440900
How to use
Power off the laptop and remove any external power supply. Slide out the existing battery or release the battery latch according to your laptop's manual. Insert the Extra Digital NB440900 battery into the battery bay until it clicks into place, then reconnect the power adapter and start the laptop. Allow the new battery to complete a normal charge cycle before relying on maximum runtime.
Usage recommendations
Charge the battery at room temperature and avoid exposure to high heat. Store the battery partially charged if not used for extended periods. Use the laptop manufacturer’s charging procedures and discard the battery according to local e-waste regulations when it reaches end of life.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |
| Warranty period | 1 year(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 6600 mAh |
| Battery voltage | 11.1 V |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | T54FJ |
| Brand compatibility | Dell |

## FAQ

### How much does the Battery DELL NB440900 cost, and is it available for purchase?

The price is 47.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 extra digital 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 extra digital 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4128724/65717617_large.webp