# Battery for Dell laptops 55 Wh Li‑ion, OEM replacement (MPN 451-BBUT)

**URL:** https://aio.lv/en/product--dell-451-bbut--11685620
**Data updated:** 2026-02-16 07:12 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** 451-BBUT
**EAN:** 5715328196957
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 75.99 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 62.80 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-451-bbut--11685620

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

Rechargeable 55 Wh lithium‑ion replacement battery compatible with Dell laptops (MPN 451-BBUT). Designed to restore portable power for mobile work, study and travel, it provides a balance of runtime and weight. Suitable as an OEM-style spare to replace a worn or failing internal battery and extend device mobility.

## Long description

Rechargeable 55 Wh lithium-ion replacement battery compatible with a range of Dell laptops. This OEM-style internal battery is designed to restore portable power for work, study and travel by providing a balance between runtime and weight. It functions as a spare or replacement for a worn or failing internal battery and is intended for users who need reliable, standard-capacity performance without changing the device chassis or power management behavior.
Advantages
The battery delivers nominal 55 Wh capacity in a compact pack to maintain original device balance and portability. As a lithium‑ion cell-based replacement, it offers typical energy density for prolonged use between charges and supports built-in charging circuitry and battery monitoring present in compatible Dell systems. Installation returns device autonomy close to factory levels and avoids the need for external power accessories when mobility is required.
Suitable for
 Replacing a degraded internal battery in compatible Dell laptops
 Restoring battery runtime for mobile work or study
 Maintaining travel-ready battery capacity without adding weight
 Use as a spare battery kept for field repairs or device maintenance
Key specifications
 Battery chemistry: Lithium‑ion (Li‑ion)
 Nominal capacity: 55 Wh
 Form factor: Internal rechargeable pack designed for compatible laptop chassis
 Typical cycle life: conforms to standard consumer Li‑ion replacement expectations (subject to usage and charging habits)
 Operating temperature range: suitable for normal laptop operating conditions
How to use
Power off the laptop, disconnect external power, and follow the manufacturer service instructions or a device-specific disassembly guide to access the internal battery bay. Remove the old battery connector carefully and install the replacement battery, ensuring correct seating and secure connection to the motherboard. Reassemble the device and charge the battery fully before first use to allow the system to recalibrate battery reporting. After installation, verify battery recognition and charge/discharge behavior through the operating system or diagnostic tools.
Usage recommendations
For safe and long-lasting operation, use the laptop on stable surfaces to allow adequate ventilation, avoid exposing the battery to high temperatures or moisture, and follow the laptop manufacturer’s charging guidelines. Store spare batteries at about 40–60% charge in a cool, dry place if kept unused for extended periods. If you are unfamiliar with internal replacements, consider professional installation to avoid damage to the device or battery.

## FAQ

### How much does the Dell laptop battery 55 Wh (MPN 451-BBUT) cost, and is it available for purchase?

The price is 75.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 163 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 20.07.2026 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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