# Battery Dell 42Wh 3-cell lithium-ion 0FJMK — internal laptop battery, 42Wh, 3-cell

**URL:** https://aio.lv/en/product--dell-0fjmk--4443085
**Data updated:** 2026-02-12 14:09 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 0FJMK
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-0fjmk--4443085

## 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

Internal replacement battery for compatible Dell laptops, model 0FJMK. Lithium‑ion pack with 3 cells and rated capacity of 42Wh. Designed to restore mobile power for everyday use: web browsing, office work and light multimedia. Provides OEM‑compatible fit and electrical characteristics for models that support a 42Wh 3‑cell Dell battery.

## Long description

Internal replacement battery for compatible Dell laptops, model 0FJMK. This 42Wh 3-cell lithium‑ion pack is designed to restore mobile power for everyday tasks such as web browsing, office productivity and light multimedia. The battery provides OEM-compatible form factor and electrical characteristics for systems that accept a 42Wh 3‑cell Dell battery, enabling a straightforward swap to recover usable runtime without altering system behavior.
Advantages
The 42Wh capacity balances energy density and compact size to fit thin-and-light laptop designs while delivering several hours of typical use under moderate load. Being a 3-cell lithium‑ion configuration, the battery offers stable voltage and predictable discharge curves that match original Dell specifications. Its internal construction and connector layout are made to align with compatible Dell chassis, which simplifies installation and helps maintain system power management features.
Suitable for
Everyday laptop use: web browsing, email and office applications
Light multimedia playback and video conferencing
Replacing aged or degraded internal batteries to restore runtime
Users who need a compact, OEM-compatible replacement battery
Key specifications
Battery type: Lithium‑ion
Cell count: 3 cells
Rated capacity: 42 Wh
Intended application: Internal laptop battery
Form factor: Pack designed for compatible Dell laptop housings
Typical use: Provides several hours of runtime under moderate workloads
How to use
Power down the laptop, disconnect the power adapter and follow the manufacturer’s service instructions for accessing the internal battery. Remove any battery screws or latches, unplug the battery connector from the motherboard and replace the old pack with the new 42Wh 3-cell unit, ensuring the connector is fully seated and the pack is secured. Reassemble the laptop, connect the AC adapter and perform a full charge cycle to calibrate the battery capacity reporting.
Usage recommendations
Use the replacement battery only in compatible Dell systems that support a 42Wh 3-cell internal pack. Charge using the original or equivalent Dell-compatible power adapter and avoid exposing the battery to excessive heat, moisture or mechanical shock. For best long-term performance, store the battery at around 40–60% charge if it will not be used for extended periods and cycle the battery every few months.

## FAQ

### How much does the Dell 0FJMK 42Wh 3‑cell laptop battery cost, and is it available for purchase?

The price is 43.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 736 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/4443085/68523332_large.webp