# Laptop battery extra digital KD491 4400mAh NB440344 for compatible Dell notebooks

**URL:** https://aio.lv/en/product--extra-digital-nb440344--4113338
**Data updated:** 2026-02-12 14:04 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440344
**EAN:** 9990000440344
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 32.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 27.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440344--4113338

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery extra digital KD491 (NB440344) with 4400mAh capacity designed for compatible Dell notebook models. Provides portable power for everyday mobile use, extending runtime for work, study or travel. Easy to install, suitable as a spare or replacement to restore battery life and improve mobility without changing the device.

## Long description

Replacement laptop battery extra digital KD491 4400mAh NB440344 is designed for compatible Dell notebooks to restore portable power and extend runtime. This cell pack offers 4400mAh capacity and a form factor that fits specified notebook models, enabling continued use for work, study or travel without requiring mains power. The battery is intended as a spare or direct replacement to help maintain mobility and productivity when the original battery no longer holds sufficient charge.
Advantages
The battery delivers 4400mAh capacity to extend operating time compared with deeply discharged cells, while its compatible design ensures straightforward installation and reliable contact with the notebook’s power connectors. Manufactured for replacement use, it provides consistent voltage output suitable for everyday tasks and portable use. The modular shape and standard mounting points allow easy swap-in without tools in many models, and it is suitable for carrying as a spare for extended trips.
Suitable for
Replacing a worn or failing battery in compatible Dell notebook models
Upgrading battery runtime for mobile work, study or travel
Keeping as a spare battery for extended use away from power outlets
Restoring battery life when the original pack no longer holds charge
Key specifications
Capacity: 4400mAh
Chemistry: lithium-ion (Li-ion)
Compatibility: compatible with specified Dell notebooks that accept the same physical and electrical battery type
Typical form factor: slim pack designed for laptop bay replacement
Intended use: replacement/spare battery for portable notebooks
How to use
Power down the notebook and disconnect the mains adapter before removing the existing battery. Unlock any battery latches or screws according to the notebook manufacturer’s instructions and slide or lift out the old pack. Align the replacement battery’s contacts and mounting points with the notebook bay and insert until it clicks or seats firmly. Re-secure any latches or fasteners, connect the mains adapter, and charge the new battery fully before first extended use. Follow the notebook user manual for any model-specific removal and installation steps.
Usage recommendations
For safe operation, use the battery within the notebook’s specified voltage and temperature ranges, avoid exposure to extreme heat or moisture, and store at partial charge if not used long term. Dispose of the old battery according to local regulations for lithium-ion cells and use only original or compatible chargers and adapters recommended by the notebook manufacturer.

## FAQ

### How much does the Laptop battery extra digital KD491 NB440344 cost, and is it available for purchase?

The price is 32.99 € (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 02.07.2026 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

## Image

https://aio.lv/img/cache/product/4113338/10509790_large.webp