# Battery for Dell laptops, 42WHr 3‑cell, model 51KD7

**URL:** https://aio.lv/en/product--dell-51kd7--11675442
**Data updated:** 2026-02-16 07:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 51KD7
**EAN:** 5715328185449
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 99.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 82.64 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-51kd7--11675442

## 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 3‑cell battery for Dell laptops, rated 42 WHr and identified by model 51KD7. Designed to replace or restore portable power in compatible Dell notebook models. Suitable for everyday mobile use, light productivity and travel, it provides on‑the‑go runtime and straightforward installation as a user‑replaceable pack.

## Long description

Rechargeable 3‑cell battery for Dell laptops, rated 42 WHr and identified as model 51KD7. This user‑replaceable battery restores portable power to compatible Dell notebook models, offering reliable runtime for everyday mobile use, light productivity and travel. The pack is designed for simple installation and integrates with the laptop's power management to report charge level and health to the operating system.
Advantages
This 42 WHr 3‑cell battery provides a balance of capacity and compact size suitable for thin-and-light Dell notebooks. It delivers consistent voltage under typical workloads, supports standard charging protocols used in Dell systems, and allows for quick replacement by the user without specialized tools. The battery is intended to match the laptop's original power specifications to maintain system stability and accurate charge reporting.
Suitable for
 Replacing a worn or failing battery in compatible Dell laptops
 Extending on‑the‑go runtime for light productivity tasks (web browsing, email, document editing)
 Travel and remote work where mains power is not always available
 Quick user‑level battery swaps to restore immediate mobile use
Key specifications
 Battery type: rechargeable lithium‑ion 3‑cell pack
 Rated energy: 42 WHr
 Cell count: 3 cells
 Form factor: low‑profile laptop replacement pack compatible with specified Dell models
 Typical use: light to moderate mobile workloads
How to use
Power down the laptop and disconnect the AC adapter before replacing the battery. Remove the service panel or battery latch as required by the specific Dell model, slide the battery into its compartment and secure any retaining screws or latches. Reconnect the AC adapter and allow the system to detect the new battery; the operating system battery indicator should report charge level. For best results, perform an initial full charge to calibrate the charge reporting.
Usage recommendations
Store and use the battery at moderate temperatures, avoiding extreme heat or prolonged cold. For longest service life, avoid deep discharge cycles when possible and keep firmware and operating system power management settings up to date. Dispose of the battery according to local regulations for lithium‑ion cells.

## FAQ

### How much does the Dell battery 51KD7 — 42WHr 3‑cell cost, and is it available for purchase?

The price is 99.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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/11675442/68535938_large.webp