# Laptop battery Dell 42Wh Lithium-ion 0MHR4G, rechargeable internal replacement

**URL:** https://aio.lv/en/product--dell-0mhr4g--10770461
**Data updated:** 2026-02-12 22:07 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Dell
**Manufacturer code:** 0MHR4G
**EAN:** 5715063290804
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 75.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 62.39 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-0mhr4g--10770461

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Rechargeable internal laptop battery Dell 42Wh Lithium-ion model 0MHR4G. Provides 42 watt-hours of capacity in a Lithium-ion chemistry suitable for replacing an original Dell internal battery. Designed for use as a direct replacement to restore portable runtime for compatible Dell laptops, enabling mobile use, longer unplugged operation and battery-led power management.

## Long description

The Dell 42Wh Lithium-ion rechargeable internal replacement battery 0MHR4G is a direct-fit power source designed to restore portable runtime for compatible Dell laptops. This internal battery offers 42 watt-hours of capacity and uses lithium-ion chemistry to balance energy density and weight. It is intended as a replacement for an original internal battery to enable mobile use, longer unplugged operation, and proper battery-managed shutdown and charging behavior within supported laptop models.
Advantages
This replacement battery provides a rated 42Wh capacity to extend unplugged working time compared with a depleted internal cell. Lithium-ion construction delivers relatively high energy density and predictable discharge characteristics across typical laptop workloads. The internal design conforms to the form factor and connector arrangement of compatible Dell systems, allowing straightforward installation without modification. As a rechargeable unit, it supports standard charge/discharge cycles and integrates with the laptop's power management for battery level reporting and charging control.
Suitable for
Replacing a worn or failing internal battery in compatible Dell laptops
Restoring original battery-backed mobile runtime for daily portable use
Use in environments where mains power is not continuously available
Maintaining laptop power management features like battery reporting and charging
Key specifications
Battery chemistry: Lithium-ion (Li-ion)
Rated energy capacity: 42 Wh
Intended function: Internal rechargeable replacement battery for laptops
Form factor: Internal pack compatible with specified Dell laptop designs
Charge/discharge behaviour: Standard laptop battery profile with integrated protection circuitry
How to use
Power the laptop down and disconnect the AC adapter before replacing the internal battery. Access the battery compartment following the laptop manufacturer's disassembly instructions to avoid damaging connectors or housing. Remove the old battery and replace it with this 42Wh lithium-ion unit, ensuring the connector is fully seated and any retaining screws or clips are refitted. After reassembly, connect the AC adapter and allow the system to recognize and charge the new battery; initial calibration may require a full charge-discharge cycle as described by the laptop vendor.
Usage recommendations
Use the battery within the operating temperature range specified by your laptop manufacturer, avoid physical shock or exposure to liquids, and follow standard lithium-ion safety practices. For longest service life, keep the battery charged between 20% and 80% during regular use when possible, avoid deep discharges, and store the battery at around 40% charge if it will not be used for extended periods. Replace the battery if you observe swelling, unusual heat, or rapid capacity loss.

## FAQ

### How much does the Laptop battery Dell 42Wh 0MHR4G cost, and is it available for purchase?

The price is 75.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 149 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 01.07.2026 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/10770461/68548048_large.webp