# Notebook battery extra digital NB440856 4400mAh replacement for Dell Y5XF9

**URL:** https://aio.lv/en/product--extra-digital-nb440856--4113366
**Data updated:** 2025-12-29 15:39 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440856
**EAN:** 9990000440856
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 30.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 25.20 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440856--4113366

## 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

Rechargeable notebook battery by extra digital, model NB440856 with 4400mAh capacity, compatible as a replacement for Dell Y5XF9. Designed for use in compatible Dell laptop models to restore portable runtime and reliable power delivery. Suitable for mobile work, travel, and everyday use where original battery replacement is required.

## Long description

Extra Digital Selected li-ion notebook battery NB440856 is a rechargeable replacement battery with 4400 mAh capacity and 11.1 V nominal voltage. Designed as a compatible replacement for Dell original battery models (including Y5XF9 and related codes), this black battery restores portable runtime for compatible Dell Vostro laptop series and provides balanced, long-lasting power without memory effect.
Advantages
The battery is built with high-quality, balanced Li-ion cells and integrated microcontrollers that protect against overload, overheating and ignition, optimize discharge to maximize usable capacity, and maintain device safety both under heavy load and in standby. It can be recharged at any time without reduced performance from memory effect.
Suitable for
Dell Vostro 3400 series
Dell Vostro 3500 series
Dell Vostro 3700 series
Key specifications
Model: NB440856
Capacity: 4400 mAh
Voltage: 11.1 V
Cell type: Li-ion
Color: Black
Compatible replacement for Dell original codes such as Y5XF9
Manufacturer: Extra Digital
Warranty: 6 months
How to use
Switch off the laptop and remove the existing battery following the laptop manufacturer's instructions. Align the NB440856 battery with the battery bay and firmly insert until it clicks into place. Charge the battery fully before first use. Use the laptop normally; the integrated microcontroller manages charging and discharge automatically. For removal, power down the laptop and unlock any battery latches before gently extracting the battery.
Usage recommendations
Store and use the battery at room temperature, avoid prolonged exposure to high heat, and do not puncture or disassemble. If compatibility is uncertain, consult a sales consultant or check the laptop service label to confirm model series before purchase.

## FAQ

### How much does the Notebook battery extra digital NB440856 4400mAh cost, and is it available for purchase?

The price is 30.49 € (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/4113366/10509818_large.webp