# 2-Power Main Battery Pack for Dell Latitude 3440/3540 — 11.4V, 4730mAh, 54Wh

**URL:** https://aio.lv/en/product--2-power-2p-wyj45--11670785
**Data updated:** 2026-02-16 07:06 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** 2-Power
**Manufacturer code:** 2P-WYJ45
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 65.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 54.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--2-power-2p-wyj45--11670785

## 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

Replacement main battery pack by 2-Power for Dell Latitude 3440 and 3540 laptops. Rated 11.4V, 4730mAh (54Wh), it restores portable power for everyday use, mobile work and travel. Designed to match original specifications for runtime and safety, suitable for swapping worn or failing batteries to extend device uptime and avoid downtime.

## Long description

Replacement main battery pack by 2-Power designed for Dell Latitude 3440 and 3540 laptops. This 11.4V, 4730mAh (54Wh) battery restores portable power for everyday tasks, mobile work and travel, matching the original specifications for runtime and safety. The pack is intended as a direct replacement to swap worn or failing batteries and extend device uptime without changes to laptop hardware or charger compatibility.
Advantages
The battery offers nominal voltage and capacity that align with the original design, providing predictable runtime under typical usage. Built with protection circuitry to help prevent overcharge and short-circuit conditions, it supports safe installation and stable operation. The form factor and connector placement correspond to OEM layout to ensure a compatible fit and straightforward replacement process.
Suitable for
Everyday office work and web browsing on Dell Latitude 3440/3540
University and classroom use requiring portable runtime
Business travel and remote work where reliable battery life is needed
Replacing worn-out or degraded original battery to restore runtime
Key specifications
Voltage: 11.4 V
Capacity: 4730 mAh
Energy: 54 Wh
Chemistry: Rechargeable lithium-ion cell pack
Physical compatibility: Designed to fit Dell Latitude 3440 and 3540 chassis
Protection: Integrated charge and discharge protection circuitry
How to use
Power down the laptop and disconnect any external power source before beginning replacement. Remove the service panel or battery access cover following the laptop manufacturer’s instructions, then disconnect and remove the old battery. Install the 2-Power replacement pack by aligning the connector and seating the battery in the compartment, then secure the access cover and reconnect external power. After first installation, charge the battery fully before normal use for accurate charge level reporting.
Usage recommendations
For best results, avoid exposing the battery to extreme temperatures and store it at approximately 40–60% charge if not used for long periods. Use the laptop’s original charger and follow the device manufacturer’s safety guidelines. Replace the battery if you observe swelling, unusual heat, or rapid capacity loss.

## FAQ

### How much does the 2-Power Battery Pack for Dell Latitude 3440/3540 cost, and is it available for purchase?

The price is 65.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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: Bank transfer. 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 2-Power 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 2-Power 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