# Battery for Dell laptops MHR4G — Lithium rechargeable, 42 Wh, black

**URL:** https://aio.lv/en/product--dell-btrypri42whr3clithsmp--11829561
**Data updated:** 2026-03-09 14:38 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** BTRY,PRI,42WHR,3C,LITH,SMP
**EAN:** 5715063122648
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 107.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 88.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-btrypri42whr3clithsmp--11829561

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery compatible with Dell models, designation MHR4G. Lithium rechargeable chemistry with nominal capacity about 42 Wh, designed as an internal spare part for portable devices. Black finish, intended for restoring battery runtime in notebooks and for service repairs or maintenance of Dell laptops.

## Long description

Replacement lithium rechargeable battery compatible with Dell laptops, designated MHR4G. This internal spare battery offers a nominal energy capacity of approximately 42 Wh in a compact black housing, intended to restore or extend run time for portable Dell notebook models. The battery is designed for use as a service part during repairs or for users who need a direct replacement to maintain mobile productivity.
Advantages
The lithium chemistry provides a balance of energy density and weight, delivering up to 42 Wh of nominal capacity while keeping the unit compact and lightweight. As a model-specific replacement for Dell systems with the MHR4G designation, the battery fits internally and retains the original device form factor and connectors. Its black finish matches the typical aesthetic of many Dell laptops and simplifies installation during maintenance or refurbishment.
Suitable for
Restoring battery runtime in compatible Dell notebook models that accept the MHR4G battery
Service repairs and component replacement during laptop maintenance
Refurbishment projects requiring an internal replacement battery
Key specifications
Battery technology: Lithium rechargeable cell chemistry
Nominal capacity: approximately 42 Wh
Design: internal spare battery for laptop installation
Colour: black
How to use
Power down the laptop and disconnect any external power sources before beginning. Remove the service panel or battery compartment cover following the laptop manufacturer's service instructions, then disconnect and remove the depleted battery. Install the MHR4G replacement by aligning it with the internal connector and securing it in place according to the device's assembly procedure. Reattach the cover, reconnect external power, and charge the battery fully before first use to ensure proper calibration.
Usage recommendations
For safe operation and longevity, use the replacement battery only in compatible Dell laptop models and with chargers specified by the device manufacturer. Store the battery in a cool, dry place when not in use, avoid exposure to high temperatures, and follow official service guidance when performing installation or disposal.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium |
| Number of battery cells | 3 |
| Battery capacity | 42 Wh |
| Product colour | Black |

### Technical details

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

## FAQ

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

The price is 107.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 111 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 16.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Dell MHR4G laptop battery 42 Wh be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, 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/11829561/67284428_large.webp