# Battery DELL RM791 Extra Digital NB440191

**URL:** https://aio.lv/en/product--extra-digital-nb440191--4128712
**Data updated:** 2025-12-29 15:41 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB440191
**EAN:** 9990000440191
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb440191--4128712

## 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

The Extra Digital NB440191 battery is designed for DELL laptops, ensuring reliable performance and longevity. This high-quality battery offers a capacity that meets or exceeds OEM specifications, providing your laptop with the power it needs for extended use. Easy to install, it is compatible with models RM791 and NB440191, making it a perfect replacement for your old battery. Enjoy uninterrupted productivity with this dependable battery solution.

## Long description

Replacement notebook battery compatible with DELL Studio 1735 and models RM791/NB440191. This 11.1 V battery provides 5000–5200 mAh capacity and is intended as a direct swap for the original DELL battery, delivering stable power for mobile use. The unit is black and designed for straightforward installation in supported laptop models.
Advantages
The battery is manufactured to match common OEM specifications for voltage and capacity, offering reliable runtime and compatibility with listed DELL models. Its construction supports safe operation and consistent power delivery during typical laptop tasks. The pack is lightweight and easy to install, allowing a quick replacement of an aged or failing original battery.
Suitable for
 DELL Studio 1735
 DELL models using RM791 or NB440191 battery part numbers
 Users needing a direct OEM-compatible battery replacement
Key specifications
 Voltage: 11.1 V
 Capacity: 5000 mAh (specified 5200 mAh in some references)
 Colour: Black
 Brand/MPN: extra digital / NB440191
 EAN: 9990000440191
How to use
Power off the laptop and disconnect the AC adapter. Remove the existing battery following the laptop manufacturer’s instructions, align the replacement pack with the battery bay, and insert it until it clicks into place. Reconnect the AC adapter and charge the new battery fully before first use. Verify charge status in the operating system battery indicator.
Usage recommendations
To maximize battery life, calibrate the battery occasionally by fully charging and then discharging to about 5–10% before recharging. Avoid exposing the battery to extreme temperatures and store it partially charged if not used for extended periods.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 5000 mAh |
| Battery voltage | 11.1 V |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | RM791 |
| Brand compatibility | Dell |

## FAQ

### How much does the Battery DELL RM791 Extra Digital NB440191 cost, and is it available for purchase?

The price is 46.49 € (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 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4128712/65717612_large.webp