# Laptop battery t6 power for Asus VivoBook S551L R551L K551L V551L, 4400mAh / 49Wh

**URL:** https://aio.lv/en/product--t6-power-nbas0143--4076269
**Data updated:** 2026-02-19 13:16 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** t6 power
**Manufacturer code:** NBAS0143
**EAN:** 8595605521538
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 63.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 52.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--t6-power-nbas0143--4076269

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery from t6 power compatible with Asus VivoBook S551L, R551L, K551L and V551L models. Rated at 4400mAh (49Wh), it provides extended portable power for productivity, web browsing and multimedia use. Designed as a direct replacement to restore runtime and mobility, suitable for on-the-go work, study and travel.

## Long description

Replacement laptop battery t6 power for Asus VivoBook S551L R551L K551L V551L, 4400mAh / 49Wh is a direct-fit power module designed to restore the portable runtime of compatible Asus VivoBook laptops. It is a Li‑polymer battery rated at 11.1 V and 4400 mAh (49 Wh), supplied in a black housing with compact dimensions to match the original battery compartment. The pack is intended as a one-to-one replacement to recover mobile productivity for web browsing, office work and multimedia playback without changing the laptop chassis or connectors.
Advantages
The t6 power battery offers the original form-factor and electrical specifications expected by the supported VivoBook series, enabling straightforward installation and predictable runtime. Its 4400 mAh capacity provides extended operating time compared with depleted cells, and the 11.1 V nominal voltage ensures compatibility with the laptop charging and power management system. The product maintains a compact footprint and low weight to preserve the laptop's portability.
Suitable for
Replacing a worn or failing battery in supported Asus VivoBook S, R, K and V series laptops
Extending unplugged runtime for office tasks, browsing and media playback
Maintaining mobility for study, travel and remote work
Key specifications
Chemistry: Lithium‑polymer (Li‑poly)
Rated capacity: 4400 mAh (49 Wh)
Nominal voltage: 11.1 V
Color: black
Dimensions: 210 x 110 x 11 mm
Weight: 270 g
How to use
Power down the laptop, disconnect the AC adapter and remove the existing battery following the laptop manufacturer's instructions. Align the replacement t6 power battery with the laptop's battery connector and mounting points, then press into place until it seats securely. Reattach any fasteners or latches, reconnect the AC adapter and boot the system. Allow the battery to charge fully before first extended use to ensure proper battery management and capacity reporting.
Usage recommendations
For safe operation, use the original or approved charger and avoid exposure to heat sources or moisture. Store the battery partially charged (around 40–60%) if not used for long periods. If the laptop exhibits abnormal heating, swelling of the pack, or charging faults, discontinue use and seek professional service or replacement.

## FAQ

### How much does the t6 power laptop battery for Asus VivoBook S551L 4400mAh cost, and is it available for purchase?

The price is 63.99 € (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 01.07.2026 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 t6 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 t6 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

## Image

https://aio.lv/img/cache/product/4076269/51191133_large.webp