# Battery ASUS NB431144 for X542UR X542UQ X542UN X542UA

**URL:** https://aio.lv/en/product--asus-nb431144--4113308
**Data updated:** 2025-12-29 15:39 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Asus
**Manufacturer code:** NB431144
**EAN:** 9990000431144
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 64.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 53.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-nb431144--4113308

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The ASUS NB431144 battery is designed for compatibility with various ASUS laptop models including X542UR, X542UQ, and more. This high-quality lithium-ion battery ensures reliable performance and long-lasting power for your device. With easy installation and a capacity that meets or exceeds OEM specifications, it provides an excellent solution for extending your laptop's battery life.

## Long description

The ASUS NB431144 battery is a replacement lithium-ion power unit compatible with several ASUS laptop models, including X542UR, X542UQ, X542UN and X542UA. Designed to restore portable power to your device, it offers a capacity of 5000 mAh and matches common form-factor and connector specifications for the listed models.
Advantages
This battery delivers dependable runtime for everyday tasks and is manufactured to meet established quality standards for laptop batteries. It provides straightforward installation, OEM-compatible capacity, and a compact design that fits original battery bays for the supported X542 series models.
Suitable for (tasks / use cases)
Replacing a worn or failing battery in ASUS X542UR, X542UQ, X542UN, X542UA laptops
Extending mobile working time for web browsing, document editing and light multimedia
Keeping a backup battery for travel or extended unplugged use
Key specifications
Brand: Asus
Manufacturer part number (MPN): NB431144
EAN: 9990000431144
Battery type: Lithium-ion
Capacity: 5000 mAh
Compatible models: X542UR, X542UQ, X542UN, X542UA
How to use
Power down the laptop and disconnect any external power source. Remove the back cover according to the laptop service instructions, unplug the existing battery connector, and remove the old battery. Fit the ASUS NB431144 into the battery bay, connect the battery cable firmly to the mainboard, replace the back cover and fasten screws. Reconnect mains power and charge the battery fully before first use to ensure proper calibration.
Usage recommendations
Use the battery with the specified ASUS X542 series models only. Charge and store the battery in a cool, dry place; avoid exposure to heat or moisture. For best longevity, perform regular charge cycles and avoid leaving the battery at 0% for extended periods.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 5000 mAh |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | X542UR , X542UQ, X542UN, X542UA, X542BP, X542BA, X542UF, R542UQ, R542UN, R542UA |
| Brand compatibility | ASUS |

## FAQ

### How much does the Battery ASUS NB431144 X542UR X542UQ cost, and is it available for purchase?

The price is 64.49 € (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 09.07.2026 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 Asus 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 Asus 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 capacity, 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/4113308/65717505_large.webp