# Battery Dell M3KCN 42Wh 3-cell Lithium-Ion — replacement laptop battery, 42Wh, 3-cell

**URL:** https://aio.lv/en/product--dell-m3kcn--4295981
**Data updated:** 2026-02-12 14:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** M3KCN
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 78.99 €
**Prices and availability valid until:** 2026-07-29 23:59
**Price without VAT (21%):** 65.28 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-m3kcn--4295981

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Dell M3KCN is a 42Wh, 3-cell lithium‑ion replacement battery designed for compatible Dell laptops. It provides portable power to extend device usage between charges and is suitable for everyday use, travel, and on-the-go work. The battery offers standard capacity specifications for reliable runtime and straightforward installation as a drop-in replacement.

## Long description

Dell M3KCN is a 42Wh, 3-cell lithium‑ion replacement battery designed to restore portable power to compatible Dell laptops. It offers standard capacity for everyday use and travel, delivering a balance between runtime and compact size. The battery is intended as a straightforward drop-in replacement to extend working time between charges and maintain mobility for on-the-go tasks.
Advantages
This replacement battery provides predictable runtime with its 42Wh capacity and a 3-cell lithium‑ion chemistry that is common in portable laptop applications. Its form factor and connector layout are matched to compatible Dell laptop models to simplify installation. The battery is lightweight and engineered to fit into the laptop’s original battery compartment without requiring modification.
Suitable for
 Everyday office and study tasks such as web browsing, document editing and email
 Business travel and commuting where extended unplugged time is needed
 On-the-go use for presentations, meetings and remote work
 Replacing a worn-out or degraded original battery to restore expected runtime
Key specifications
 Battery type: Lithium‑ion (Li‑ion)
 Capacity: 42 Wh
 Cell count: 3 cells
 Intended use: Internal replacement battery for compatible laptops
 Weight and dimensions: compact, designed to match original equipment form factor
How to use
Power off the laptop and disconnect any external power source before replacing the battery. Remove the old battery according to the laptop manufacturer’s service instructions, insert the replacement battery into the designated compartment until it seats securely, and fasten any retaining screws or latches. After installation, connect the AC adapter and allow the system to detect the new battery; perform a full charge cycle before first portable use to ensure proper calibration of the battery-monitoring system.
Usage recommendations
For safe and reliable operation, use this battery only in models for which it is designed. Avoid exposing the battery to extreme temperatures, moisture, or mechanical shock. Follow manufacturer guidelines for charging and storage: store in a cool, dry place when not in use and avoid long-term storage at full charge. Dispose of the battery according to local regulations for electronic waste.

## FAQ

### How much does the Battery Dell M3KCN 42Wh 3-cell cost, and is it available for purchase?

The price is 78.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 148 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 13.07.2026 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/4295981/52351452_large.webp