# Battery DELL NB441686 Extra Digital Type: Battery Brand compatibility: DELL

**URL:** https://aio.lv/en/product--extra-digital-nb441686--4955560
**Data updated:** 2025-12-29 17:46 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB441686
**EAN:** 9990000441686
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Extra Digital NB441686 battery is designed for DELL laptops, ensuring reliable power supply and compatibility with models RJ40G and NB441686. This battery provides long-lasting performance and is essential for maintaining your laptop's functionality. It is an ideal replacement part for users seeking to extend their device's lifespan.

## Long description

Original notebook battery DELL RJ40G, model NB441686 by Extra Digital, is a 63Wh (3941 mAh) Li‑Ion replacement battery compatible with select DELL laptops. Rated at 15.2V and finished in black, it restores portable power to devices that use the RJ40G / NB441686 battery type.
Advantages
This Extra Digital NB441686 battery uses Lithium‑Ion technology to provide stable voltage and consistent runtime. With a capacity of 3941 mAh (63Wh) and rated voltage of 15.2V, it offers a balance between energy density and safe operation. The battery is manufactured to match the form factor and electrical specifications of the DELL RJ40G replacement series to ensure compatibility and straightforward installation.
Suitable for
 DELL laptops compatible with RJ40G / NB441686 battery type
 Replacing worn or failing internal laptop batteries
 Extending mobile runtime for work or travel
Key specifications
 Manufacturer: Extra Digital
 Model / MPN: NB441686 (DELL RJ40G)
 Battery technology: Lithium‑Ion (Li‑Ion)
 Capacity: 3941 mAh (63 Wh)
 Voltage: 15.2 V
 Colour: Black
 Category: Batteries for portable devices
 EAN: 9990000441686
How to use
Power down the laptop and disconnect the charger before replacing the battery. Remove the service panel or battery latch according to your DELL laptop model instructions, extract the old battery, and install the Extra Digital NB441686 ensuring correct alignment with the connector. Secure the battery and reassemble the laptop, then charge the new battery fully before first use. Follow the laptop manufacturer’s guidelines for safe handling and disposal of the old battery.
Usage recommendations
To maintain battery life, avoid deep discharges and excessive heat; store the battery at moderate temperature and charge levels if unused for long periods. Use the laptop’s power management settings to optimise runtime and follow official DELL service instructions for firmware or charging updates.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 3941 mAh |
| Battery voltage | 15.2 V |
| Battery capacity | 63 Wh |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | RJ40G |
| Brand compatibility | Dell |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 technology, 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/4955560/65718720_large.webp