# Notebook battery Dell NB440948 11.1V 4400mAh Original replacement for compatible Dell laptops

**URL:** https://aio.lv/en/product--dell-nb440948--4113370
**Data updated:** 2025-11-22 08:56 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** NB440948
**EAN:** 9990000440948
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 40.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 33.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-nb440948--4113370

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

Original Dell notebook battery NB440948 with 11.1V nominal voltage and 4400mAh capacity. Designed as a replacement battery for compatible Dell laptops, it restores portable power for longer runtime. Use for mobile work, travel, or as a spare to avoid interruptions. Follow device compatibility and installation instructions for safe use.

## Long description

The original Dell notebook battery NB440948 is designed as a replacement battery for compatible Dell laptops. It uses high-quality components with protection against overheating and overload to ensure a long service life. This battery restores portable power for mobile work, travel or as a spare to avoid interruptions and has a nominal specification compatible with the listed models and battery part numbers.
Advantages
The battery offers a capacity of 64 Wh (listed technical specification) and a Li‑Po cell type with 14.8 V nominal voltage, providing stable power delivery. Built-in protection circuitry reduces risk of overheating or overload. It is a direct replacement compatible with several Dell Inspiron and XPS models and with multiple OEM battery part numbers, and it is covered by a 6‑month warranty from the manufacturer.
Suitable for
Dell XPS 15z
Dell XPS L412z
Dell XPS L511Z
Use as a replacement for defective or worn original batteries
Key specifications
Capacity: 64 Wh
Cell type: Li‑Po
Voltage: 14.8 V
Color: Black
Manufacturer: Dell
Warranty: 6 months
How to use
Turn off the laptop and disconnect it from the mains before replacing the battery. Remove the service cover or battery latch according to your laptop model’s instructions, extract the old battery and insert the NB440948 replacement, ensuring correct alignment with connectors. Reassemble the cover, connect the charger and power on the laptop to check proper operation. Follow any additional safety and installation instructions provided by the laptop manufacturer.
Usage recommendations
Before purchase, verify model compatibility against your laptop’s service label or consult a sales consultant. Do not disassemble the battery, avoid exposure to high heat or water, and use only with devices and chargers specified by the laptop manufacturer.

## FAQ

### How much does the Notebook battery Dell NB440948 11.1V 4400mAh cost, and is it available for purchase?

The price is 40.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 25.06.2026 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 Dell 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 Dell 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

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