# Notebook battery Extra Digital 3RNFD 4500mAh for Dell laptops (model NB440573)

**URL:** https://aio.lv/en/product--extra-digital-nb440573--4113353
**Data updated:** 2026-02-12 14:04 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440573
**EAN:** 9990000440573
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 38.99 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 32.22 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440573--4113353

## 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

Replacement notebook battery Extra Digital 3RNFD with 4500mAh capacity, designed for compatible Dell laptop models (MPN NB440573). Provides portable power for mobile work, study or travel, restoring runtime and enabling uninterrupted use when original battery is worn. Suitable for users needing a direct battery swap to regain battery life and mobility.

## Long description

Extra Digital 3RNFD 4500mAh replacement battery is designed to restore portable power for compatible Dell laptops. This notebook battery provides a rated capacity of 4500mAh and fits laptop models that accept this form factor and connector. It replaces worn or degraded original batteries to recover usable runtime for mobile work, study or travel, allowing users to continue using their device without relying on mains power.
Advantages
This Extra Digital notebook battery delivers a practical capacity of 4500mAh in a compact pack compatible with selected Dell laptops. It offers a straightforward direct swap installation, restoring battery runtime without the need for service or complicated setup. The battery is intended as a functional replacement to help maintain mobility and productivity by providing reliable power until the original battery is replaced.
Suitable for
 Users needing a direct battery replacement to regain laptop runtime
 Frequent travellers who require extended unplugged use
 Students and professionals working remotely or in locations without reliable power
 Repair shops and service centres performing battery swaps
Key specifications
 Rated capacity: 4500mAh
 Chemistry: rechargeable lithium-based cells
 Form factor: notebook battery pack sized for compatible Dell laptops
 Typical use: replacement for worn internal laptop battery
 Compatibility: designed for Dell laptop models accepting this battery form and connector
How to use
Power down the laptop and disconnect it from the mains. Remove the existing battery following the laptop manufacturer's service instructions or user manual, then install the Extra Digital 3RNFD battery in the same orientation and secure any locking mechanisms. Reconnect mains power and perform an initial full charge before first use to balance the battery. Monitor battery status through the operating system battery indicator and allow normal charge/discharge cycles to calibrate runtime estimates.
Usage recommendations
Use the battery only in compatible Dell laptops with the correct form factor and connector. Avoid exposure to extreme temperatures, moisture or impact. Store the battery partially charged (around 40–60%) if not used for long periods, and follow standard safety guidance for rechargeable lithium-based batteries, including using the laptop's original charger and avoiding short circuits.

## FAQ

### How much does the Notebook battery Extra Digital 3RNFD 4500mAh cost, and is it available for purchase?

The price is 38.99 € (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

## Image

https://aio.lv/img/cache/product/4113353/10509805_large.webp