# Battery pack Dell 54WHr 4‑cell, compatible with select Dell laptops, MPN 451-BBKB

**URL:** https://aio.lv/en/product--dell-451-bbkb--11675435
**Data updated:** 2026-02-16 07:07 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 451-BBKB
**EAN:** 5715328185319
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Rechargeable 4‑cell battery pack from Dell with 54 WHr capacity (MPN 451-BBKB). Designed as a direct replacement for compatible Dell laptops, it provides portable power for typical office, study and travel use. Install to restore battery runtime, support mobile productivity and reduce downtime between charges.

## Long description

Rechargeable 4-cell battery pack with 54 WHr capacity, designed as a direct replacement for compatible Dell laptops. This battery restores portable runtime for everyday office tasks, study sessions and travel, allowing continued use of the laptop when mains power is unavailable. The pack is intended for users seeking to replace an aging battery or to maintain productivity on the go while preserving the laptop's original fit and power profile.
Advantages
This 54 WHr battery pack delivers a balance of capacity and compact size suitable for thin-and-light laptop models. It installs into the same battery bay as the original unit and supports the laptop's charging and power management features. The design reduces the need for frequent charging cycles, helps maintain consistent runtime over the working day, and enables quick restoration of mobile operation when the original battery no longer holds sufficient charge.
Suitable for
Replacing worn or failing laptop battery to restore runtime
Mobile office work, document editing and email on the go
Study sessions, online learning and video calls away from power outlets
Short business trips and travel where compact battery capacity is required
Key specifications
Cell count: 4-cell configuration
Rated energy capacity: 54 WHr
Form factor: slim replaceable laptop battery pack designed for compatible models
Voltage and charging compatibility: matches original laptop power-management and charging system
Intended use: rechargeable lithium-based portable power for laptops
How to use
Power off the laptop, disconnect the mains adapter and remove the existing battery according to the laptop manufacturer's instructions. Align the replacement battery with the battery bay and insert until it clicks into place. Reconnect the mains adapter and charge the battery fully before first use to allow the laptop to calibrate remaining runtime estimates. Use the laptop's built-in battery settings to monitor charge level and health.
Usage recommendations
For consistent performance, avoid deep discharges and prolonged storage at full charge. Store in a cool, dry place if not used for extended periods. Use original or manufacturer-recommended chargers and follow the laptop vendor's safety guidelines when replacing the battery to ensure proper fit and system compatibility.

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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

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