# Battery for Dell Latitude E7440 laptop — PATONA PT2478, Lithium Polymer 4500 mAh 7.4V, black/yellow

**URL:** https://aio.lv/en/product--patona-pt2478--12253868
**Data updated:** 2026-04-06 09:59 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** PATONA
**Manufacturer code:** PT2478
**EAN:** 4055655180931
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 121.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 100.82 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--patona-pt2478--12253868

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

PATONA PT2478 replacement battery for Dell Latitude 14 7000 series (E7440). Lithium Polymer (LiPo) chemistry, rated 4500 mAh and 7.4 V, designed as a spare part for portable laptop power. Weighs 0.212 kg and comes in black and yellow. Suitable for users needing original-compatible battery capacity for mobile work and travel.

## Long description

PATONA 2478 is a replacement Lithium Polymer (LiPo) battery designed for selected Dell Latitude 14 and 7000 series laptops, including the E7440 and E7450. It offers a nominal capacity of 4500 mAh at 7.4 V and comes in a black-and-yellow casing. The battery is intended as a direct spare part to restore mobile power for compatible notebook models.
Advantages
This PATONA LiPo battery provides a moderate 4500 mAh capacity suitable for everyday office tasks and light mobile use. Its compact form and lightweight construction (approximately 0.212 kg) make it convenient to handle and install. The battery is offered as a single unit and matches the physical compatibility of the specified Dell Latitude models.
Suitable for
Replacing a worn or failing battery in Dell Latitude 14 E7440/E7450
Users needing comparable run-time for office applications, web browsing and video playback
Service technicians and refurbishers servicing Dell Latitude 7000 series laptops
When it may not be suitable
This battery may not be suitable if you require extended runtimes beyond what a 4500 mAh cell provides, or if your laptop model is not explicitly listed among the compatible models. It is not a direct fit for devices that use different battery shapes, voltages or connector types.
Key specifications
Battery technology: Lithium Polymer (LiPo)
Capacity: 4500 mAh
Nominal voltage: 7.4 V
Weight: 0.212 kg
Colour: Black and Yellow
Package quantity: 1 piece
How to use
Power down the laptop, disconnect any external power source and remove the existing battery following the manufacturer’s service instructions. Insert the PATONA 2478 battery into the laptop bay, ensuring the connector aligns correctly, then secure any retaining clips or screws. Reconnect power and charge the battery fully before first use to calibrate state-of-charge measurements.
What to consider before purchase
Verify physical compatibility with your exact Dell Latitude model and battery bay
Confirm the laptop uses a 7.4 V LiPo battery with matching connector type
Compare capacity (4500 mAh) with your runtime needs
Usage recommendations
For safe operation, use the original or equivalent charger and avoid exposing the battery to high temperatures or moisture. If you notice swelling, overheating or abnormal performance, stop using the battery and replace it promptly.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 4500 mAh |
| Battery voltage | 7.4 V |
| Product colour | Black, Yellow |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | Latitude 14, 7000, E7440 |
| Brand compatibility | Dell |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.212 kg |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 320 g |
| Package type | Box |

## FAQ

### How much does the PATONA PT2478 laptop battery for Dell E7440 cost, and is it available for purchase?

The price is 121.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 15.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can PATONA PT2478 laptop battery for Dell E7440 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 PATONA 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 PATONA 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/12253868/68160489_large.webp