# Notebook battery Dell T54FJ (Original) 11.1V 4400mAh

**URL:** https://aio.lv/en/product--dell-nb441150--4113382
**Data updated:** 2025-12-29 15:39 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** NB441150
**EAN:** 9990000441150
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 66.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 54.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-nb441150--4113382

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.89 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Original Dell notebook battery T54FJ with 11.1V nominal voltage and 4400mAh capacity. Designed as a replacement battery for compatible Dell laptops, it restores portable power for extended use, supports typical mobile computing tasks and travel, and maintains device compatibility and charging performance of the original equipment.

## Long description

Original Dell notebook battery T54FJ (MPN NB441150) is a Li-ion replacement battery with nominal voltage 11.1 V and rated capacity 4400 mAh (specified capacity in source varies; check device requirements). It is designed to restore portable power for compatible Dell Latitude laptops and to work as a direct replacement for the T54FJ battery model. The battery uses rechargeable Li‑ion cells that have no memory effect and can be charged whenever convenient.
Advantages
The Li‑ion chemistry and balanced cell construction provide stable capacity and long service life when used according to manufacturer guidelines. With nominal voltage 11.1 V and original Dell compatibility, the battery maintains expected charging behavior and system recognition. The absence of memory effect allows flexible charging habits.
Suitable for
Dell Latitude M5Y0X
Dell Latitude E5420
Dell Latitude E6430
Dell Latitude E6520
Dell 8858X series
Key specifications
Model: T54FJ (compatible/original)
Manufacturer: Dell
MPN: NB441150
Chemistry: Li‑ion
Voltage: 11.1 V (nominal; source also lists 10.8–11.1 V)
Capacity: 4400 mAh (product summary) — source text also mentions 5400 mAh; verify device requirements
Warranty: 12 months
How to use
Power off the laptop or follow the manufacturer procedure for hot‑swapping if supported. Remove the existing battery according to the laptop user manual and insert the T54FJ battery until it locks in place. Charge the battery using the original Dell charger and verify battery recognition in the operating system. Observe standard safety precautions: do not expose the battery to fire, liquids or excessive heat.
Usage recommendations
For compatibility doubts, compare the battery part number (T54FJ/MPN NB441150) with the original battery and consult a specialist before purchase. Follow Dell’s user manual for installation, charging cycles and storage to maximize battery life.

## FAQ

### How much does the Notebook battery Dell T54FJ 11.1V 4400mAh cost, and is it available for purchase?

The price is 66.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 07.07.2026 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. 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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