# Battery ASUS NB431878 for UX450FDX UX480FD Reliable Power Supply

**URL:** https://aio.lv/en/product--asus-nb431878--10848684
**Data updated:** 2025-12-30 12:46 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Asus
**Manufacturer code:** NB431878
**EAN:** 9990000431878
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 89.99 €
**Prices and availability valid until:** 2026-08-08 23:59
**Price without VAT (21%):** 74.37 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-nb431878--10848684

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The ASUS NB431878 battery is designed for UX450FDX and UX480FD models, providing reliable power supply for efficient laptop operation. It ensures longevity and performance without interruptions, essential for maintaining device functionality during use.

## Long description

The ASUS NB431878 battery is designed for ASUS ZenBook models UX450FDX and UX480FD, providing a reliable power source for portable use. With a capacity of 4550 mAh, this replacement battery supports stable operation and helps maintain device functionality during work or travel.
Advantages
The battery offers a compact, OEM-compatible fit for the specified ZenBook models and delivers consistent power output. Its 4550 mAh capacity balances runtime and weight, and the unit meets manufacturer specifications for safe operation and compatibility.
Suitable for
Replacing a worn or failed battery in ASUS UX450FDX
Replacing a worn or failed battery in ASUS UX480FD
Users needing a portable, manufacturer-compatible battery for daily laptop use
Key specifications
Brand: Asus
Model/MPN: NB431878
EAN: 9990000431878
Capacity: 4550 mAh
Compatible models: UX450FDX, UX480FD
How to use
Power down the laptop and disconnect any external cables. Remove the back cover following the device service instructions, then disconnect the old battery connector and remove the battery. Install the ASUS NB431878 battery, reconnect the battery connector, replace the back cover and secure all screws. Charge the battery fully before first use and power on the laptop to verify proper operation.
Usage recommendations
Use only with the specified ASUS UX450FDX and UX480FD models. Follow ASUS service guidelines when replacing the battery. Dispose of the old battery according to local electronic waste regulations and avoid exposing the new battery to extreme temperatures or moisture.

## Specifications

### Battery

| Feature | Value |
|---|---|
| Battery capacity | 4550 mAh |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | UX450FDX, UX480FD, UX450FD |
| Brand compatibility | ASUS |

## FAQ

### How much does the Battery ASUS NB431878 for UX450FDX UX480FD cost, and is it available for purchase?

The price is 89.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 17.07.2026 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 Battery ASUS NB431878 for UX450FDX UX480FD 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 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/10848684/65720418_large.webp