# Laptop battery Dell WY9DX 42Wh original, compatible with select Dell notebook models

**URL:** https://aio.lv/en/product--dell-nb442034--10830409
**Data updated:** 2025-12-30 12:44 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Dell
**Manufacturer code:** NB442034
**EAN:** 9990000442034
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 59.99 €
**Prices and availability valid until:** 2026-08-05 23:59
**Price without VAT (21%):** 49.58 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dell-nb442034--10830409

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 13.07.2026 | free |
| Pickup points | 16.07.2026 | 1.89 EUR |
| Courier delivery to door | 16.07.2026 | 4.99 EUR |

## Summary description

Original Dell laptop battery WY9DX with 42Wh capacity designed as a replacement power source for compatible Dell notebooks. Provides portable power for everyday use, system mobility and short-term runtime extension. Intended for users needing an OEM battery restore; easy to install and suited for office, travel and home use.

## Long description

Original notebook battery DELL WY9DX with 42Wh (3500mAh) capacity and 11.4V nominal voltage, designed as a replacement power source for compatible Dell laptops. The battery uses high-quality Li-ion cells (or original lithium-polymer cells depending on the production batch) with balanced parameters for stable performance and up to approximately 600 charge cycles. It does not exhibit a memory effect and can be charged at any time.
Advantages
The WY9DX battery offers original-equivalent cell technology for consistent capacity and stable discharge characteristics. High-quality cells and balanced design contribute to long service life and reliable operation. Built-in compatibility with multiple Dell part numbers simplifies replacement and installation.
Suitable for
Dell Latitude 14 5420
Dell Latitude 15 5520
Dell Precision 15 3560
Users seeking an OEM-compatible replacement battery for travel, office, or home use
Key specifications
Capacity: 3500 mAh (42 Wh)
Voltage: 11.4 V
Cell type: Li-ion (or lithium-polymer in some batches)
Manufacturer part numbers: WY9DX, 0WK3F1, RJ40G, 075X16, 0M3KCN, 005R42, 01K2CF
How to use
Switch off the laptop and disconnect any power adapter. Remove the old battery according to the laptop manufacturer’s instructions and insert the WY9DX battery into the battery compartment until it locks in place. Reconnect the power adapter and allow the new battery to charge fully before first use for optimal calibration.
Usage recommendations
For best performance, use the battery with compatible Dell models listed above and follow standard battery care: avoid prolonged exposure to high temperatures, perform regular charge cycles, and store the battery at around 40–60% charge if not used for extended periods. If unsure about compatibility, consult a technician or product consultant.

## FAQ

### How much does the Laptop battery Dell WY9DX 42Wh original cost, and is it available for purchase?

The price is 59.99 € (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 13.07.2026 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

https://aio.lv/img/cache/product/10830409/60164414_large.webp