# 2-Power 2P-66DWX Replacement Battery for Dell Latitude 7340, 7440, 7640, 11.4V 4878mAh 57Wh

**URL:** https://aio.lv/en/product--2-power-2p-66dwx--12576213
**Data updated:** 2026-07-11 23:06 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** 2-Power
**Manufacturer code:** 2P-66DWX
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 57.49 €
**Prices and availability valid until:** 2026-08-15 23:59
**Price without VAT (21%):** 47.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--2-power-2p-66dwx--12576213

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.07.2026 | free |
| Pickup points | 04.08.2026 | 1.89 EUR |
| Courier delivery to door | 04.08.2026 | 4.99 EUR |

## Summary description

The 2-Power 2P-66DWX is a high-quality replacement battery designed for Dell Latitude 7340, 7440, and 7640 laptops. It features a voltage of 11.4V, a capacity of 4878mAh, and an energy rating of 57Wh. This reliable power source ensures optimal performance and extended runtime for your mobile workstation, making it an ideal solution for replacing worn-out or faulty original batteries.

## Long description

The 2-Power 2P-66DWX is a high-quality replacement battery specifically engineered to provide reliable power for Dell Latitude 7340, 7440, and 7640 laptop models. Designed to meet or exceed original manufacturer standards, this battery pack serves as an efficient solution for users experiencing reduced runtime or battery failure in their mobile workstations. By restoring the original capacity and performance of your device, it allows for uninterrupted productivity during travel or remote work sessions.
Advantages
This replacement battery offers a seamless fit and consistent power delivery, ensuring that your laptop operates at peak efficiency. The high-capacity cells provide an extended runtime, allowing you to work longer without needing to connect to a power outlet. Its robust construction ensures durability and safety, providing a stable energy supply that protects your device from unexpected shutdowns and performance drops associated with aging batteries.
Suitable for
Dell Latitude 7340 laptops
Dell Latitude 7440 laptops
Dell Latitude 7640 laptops
Users requiring a reliable backup or replacement power source
This battery may not be suitable for laptop models outside of the specified Dell Latitude series. It is also not intended for use in devices that require a different voltage or physical form factor than the one provided.
Key specifications
Voltage: 11.4V
Capacity: 4878mAh
Energy: 57Wh
Compatibility: Dell Latitude 7340, 7440, 7640
How to use
To install the battery, first ensure your laptop is completely powered off and disconnected from any external power adapters. Carefully remove the bottom casing of your laptop according to the manufacturer's service manual. Disconnect the old battery connector from the motherboard and remove the securing screws. Place the 2-Power replacement battery into the compartment, secure it with the screws, and firmly connect the battery cable to the motherboard port. Once installed, replace the bottom cover and charge the battery fully before the first use.
What to consider before purchase
Verify your specific laptop model number matches the compatibility list
Check the physical dimensions and connector type of your current battery
Ensure your laptop is out of warranty or that you are comfortable performing a self-repair
For optimal battery health, it is recommended to perform a full charge and discharge cycle when first installing the battery and to avoid exposing the laptop to extreme temperatures.

## FAQ

### How much does the 2-Power 2P-66DWX Battery for Dell Latitude 7340, 7440, 7640 cost, and is it available for purchase?

The price is 57.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 30.07.2026 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