# Laptop battery Dell 42Wh Lithium-ion 3-cell 451-BCSU

**URL:** https://aio.lv/en/product--dell-451-bcsu--10807453
**Data updated:** 2026-02-13 15:35 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** Dell
**Manufacturer code:** 451-BCSU
**EAN:** 5715063298053
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 77.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 64.04 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-451-bcsu--10807453

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 14.07.2026 | free |
| Pickup points | 17.07.2026 | 1.89 EUR |
| Courier delivery to door | 17.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery Dell 42Wh Lithium-ion 3-cell (model 451-BCSU). Designed to restore portable power for compatible Dell notebooks, this 42Wh battery provides rechargeable Li‑ion chemistry and a 3‑cell configuration for balanced runtime and weight. Use it to replace worn or failing batteries and extend device mobility for everyday office, study or travel use.

## Long description

Replacement laptop battery Dell 42Wh Lithium-ion 3-cell (model 451-BCSU) restores portable power for compatible Dell notebooks. This 42Wh Li‑ion battery with a 3‑cell configuration is designed to provide a balance between runtime and weight, allowing typical office, study and travel workflows to continue without immediate access to mains power. It replaces worn or failing batteries and is intended for users who need a straightforward, rechargeable power source matched to supported Dell laptop models.
Advantages
The battery uses lithium‑ion chemistry to deliver stable voltage output across discharge cycles while keeping overall weight low. The 3‑cell construction supports compact battery size and helps maintain original laptop balance and fit. It is a direct replacement designed to integrate with laptop battery connectors and mounting points used by compatible Dell notebooks, offering a simple swap without major modifications.
Suitable for
Replacing an aged or non-functioning battery in supported Dell laptops
Extending mobile working time for office tasks and remote study
Carrying as a spare battery during travel to avoid downtime
Maintaining portable power for presentations and meetings
Key specifications
Battery type: Lithium‑ion (Li‑ion)
Capacity: 42 Wh
Cell configuration: 3‑cell
Typical application: Notebook / laptop internal battery
Form factor: slim internal battery designed for compatible laptop models
How to use
Power down the laptop and disconnect any external power and peripherals before replacing the battery. Open the laptop service panel or battery compartment according to the device manufacturer’s instructions, remove the existing battery by disconnecting its connector and unscrewing any fasteners if present, then install the replacement battery ensuring proper orientation and secure mounting. Reconnect any screws or clips, close the compartment, and charge the battery fully before first use to calibrate charge indicators.
Usage recommendations
Use the battery with compatible Dell laptops only and follow the laptop manufacturer’s safety and disposal guidelines. Avoid exposing the battery to high temperatures, physical damage, or moisture. Charge with the original or compatible charger and do not attempt to disassemble the battery. Properly recycle the battery at an authorized collection point when it reaches end of life.

## FAQ

### How much does the Laptop battery Dell 42Wh 3-cell 451-BCSU cost, and is it available for purchase?

The price is 77.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 587 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 14.07.2026 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

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