# Laptop battery Dell 40Wh 3-cell model 0K3N6W (replacement for compatible Dell notebooks)

**URL:** https://aio.lv/en/product--dell-0k3n6w--10775530
**Data updated:** 2026-02-13 15:33 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 0K3N6W
**EAN:** 5715063292075
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 54.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-0k3n6w--10775530

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Rechargeable laptop battery Dell 40Wh 3-cell model 0K3N6W designed as a replacement battery for compatible Dell notebooks. Provides 40 watt-hours of capacity with a 3-cell configuration to restore portable runtime for everyday tasks, travel and mobile work. Use to replace a worn or failing battery and regain original battery life and reliable power on the go.

## Long description

This rechargeable laptop battery delivers 40 watt-hours of capacity in a 3-cell configuration as a replacement for compatible Dell notebooks. It is intended to restore portable runtime for everyday tasks, travel and mobile work when an original battery is worn or failing. The battery is designed to fit specified Dell notebook models that accept a 3-cell battery of this capacity and form factor.
Advantages
The battery provides a straightforward one-to-one replacement option that restores a laptop's ability to operate away from mains power. Its 40Wh capacity balances runtime and weight for routine office work, web browsing and media playback. The 3-cell design maintains a compact profile compatible with laptops engineered for low-profile battery compartments. Installation does not require special tools when the laptop has user-accessible battery access.
Suitable for
 Replacing a worn or failing battery in compatible Dell notebooks
 Extending usable runtime for travel and mobile work
 Maintaining a secondary battery for field or on-the-go use
 Replacing a battery to restore original operational stability and charging behaviour
Key specifications
 Capacity: 40 Wh (watt-hours)
 Cell count: 3 cells
 Chemistry: rechargeable lithium-based cells
 Compatibility: designed for Dell notebook models that accept a 3-cell 40Wh battery form factor
 Form factor: low-profile pack intended for internal laptop battery bay
How to use
Power down the notebook and disconnect the mains adapter before replacing the battery. If the laptop has an external removable battery compartment, release the retaining latches and remove the old battery; align and insert the replacement until it clicks into place. For models with internal batteries that require access through the service panel, follow the notebook manufacturer's service instructions to remove the panel and disconnect the battery connector before replacing the pack. After installation, connect the mains adapter and allow the battery to charge to full capacity before first use to ensure proper battery state reporting.
Usage recommendations
Store and operate the battery within the laptop manufacturer's recommended temperature range. Avoid exposure to excessive heat or moisture, and do not disassemble or puncture the pack. Use only compatible chargers and follow the notebook manufacturer's guidance for battery calibration and disposal of used batteries in accordance with local regulations.

## FAQ

### How much does the Dell laptop battery 40Wh 3-cell 0K3N6W cost, and is it available for purchase?

The price is 65.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 497 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 08.07.2026 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: Cash payment, 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

https://aio.lv/img/cache/product/10775530/68547835_large.webp