# Notebook battery extra digital NB440658 for Dell — 2600mAh, replacement battery

**URL:** https://aio.lv/en/product--extra-digital-nb440658--4430047
**Data updated:** 2025-12-29 17:20 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440658
**EAN:** 9990000440658
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 44.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 37.18 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440658--4430047

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

Replacement notebook battery extra digital NB440658 designed for compatible Dell laptops. Rated capacity 2600mAh, it provides portable power for extended use and restores battery runtime in devices with depleted or failing cells. Intended as a direct replacement for the original battery, suitable for travel, working away from power outlets and everyday mobile use.

## Long description

Extra Digital Advanced li-ion notebook battery NB440658 is a replacement battery for compatible Dell laptops, offering 2600 mAh capacity and 14.8 V nominal voltage. Built with high-quality balanced Samsung Li‑ion cells, the battery is free from memory effect and can be recharged at any time. Integrated microcontroller protection manages overload, overheating and ignition risks while optimizing discharge to maintain maximum usable capacity.
Advantages
The battery uses rechargeable Samsung Li‑ion cells for stable capacity and longer service life. Built-in microcontroller protection provides safety during heavy load and standby, preventing overload and overheating. Its form factor and electrical specifications match the listed Dell models for straightforward replacement.
Suitable for
Dell Inspiron 14 and 14R series (including 14-3421, 14-3437, 14-5421, 14-N3421, 14-N5421, 14R-3421)
Dell Inspiron 15 and 15R series (including 15-3521, 15-3537, 15R-5521, 15R-5537, 15R-N3521, 15R-N5521, 15R-N5537)
Dell Inspiron 17 and 17R series (including 17-3721, 17R-5737, 17R-N3721, 17R-N3737, 17R-N5721, 17R-N5737)
Dell 3421 / 3437 and N5521 / N5537 / N5721 / N5737 series
Dell Latitude 14/15 3000, Latitude 3440 / 3540 and Latitude E3440 / E3540 series
Dell Vostro 2421 and 2521 series
As a replacement for original battery part numbers listed by the manufacturer (see technical info)
Key specifications
Capacity: 2600 mAh
Cell type: Li‑ion (Samsung cells)
Voltage: 14.8 V
Color: Black
Manufacturer model / MPN: NB440658
Warranty: 9 months
How to use
Turn off the laptop and disconnect the power adapter. Remove the existing battery following the laptop manufacturer’s instructions, then insert the replacement battery NB440658 into the battery bay until it clicks into place. Reconnect the power adapter and power on the laptop. Allow a full charge cycle before first use to calibrate the battery indicator.
Usage recommendations
For best results keep the battery at moderate temperatures, avoid prolonged exposure to high heat, and consult a product specialist if the exact laptop model is not listed. If in doubt about compatibility, check the laptop model number or original battery part number before purchase.

## FAQ

### How much does the Notebook battery extra digital NB440658 for Dell cost, and is it available for purchase?

The price is 44.99 € (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 03.07.2026 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/4430047/13254844_large.webp