# Extra Digital Advanced Notebook Battery ASUS C21n1818-1 4150mAh

**URL:** https://aio.lv/en/product--extra-digital-nb432561--12639203
**Data updated:** 2026-08-28 04:16 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** extra digital
**Manufacturer code:** NB432561
**EAN:** 9990000432561
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 27.49 €
**Prices and availability valid until:** 2026-10-20 23:59
**Price without VAT (21%):** 22.72 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--extra-digital-nb432561--12639203

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 28.09.2026 | free |
| Pickup points | 01.10.2026 | 1.99 EUR |
| Courier delivery to door | 01.10.2026 | 4.99 EUR |

## Summary description

Replacement notebook battery Extra Digital Advanced, model C21n1818-1, with a capacity of 4150mAh. Designed specifically for compatible ASUS laptops to ensure reliable power supply and stable daily mobile device performance. An ideal choice for restoring your laptop battery life and operational efficiency.

## Long description

The Extra Digital Advanced Notebook Battery ASUS C21n1818-1 4150mAh is a reliable replacement power source designed to restore the operational efficiency and mobility of compatible laptop models. Engineered to meet strict quality standards, this Li-polymer battery delivers stable daily performance and helps maintain uninterrupted workflow when working away from a power outlet.
Advantages
This replacement notebook battery utilizes advanced lithium-polymer technology, which allows for greater device mobility and a slimmer profile. The high-quality rechargeable cells ensure a long service life and maximum energy retention during regular cycles. Designed without a memory effect, the battery can be conveniently recharged at any time without requiring a full discharge cycle.
Suitable for
Replacing degraded or failing original laptop batteries
Restoring autonomous runtime for mobile office tasks
Daily web browsing, document editing, and multimedia consumption
Maintaining productivity while traveling or working remotely
When it may not be suitable
This battery is specifically designed for compatible ASUS laptop models and will not fit devices from other manufacturers or series with different power requirements. It is also not intended to serve as an external power bank for charging smartphones or other USB-powered gadgets.
Key specifications
Capacity: 4150mAh
Voltage: 7.6V
Element type: Li-polymer
Brand: Extra Digital
How to use
Before installation, ensure that the laptop is completely powered off and disconnected from the power adapter. Remove the old battery carefully according to the laptop manufacturer guidelines and secure the new Extra Digital Advanced battery into the compartment. Upon initial installation, it is recommended to fully charge the battery to ensure optimal calibration and performance.
What to consider before purchase
Verify the exact model name and part number of your current laptop battery
Check the compatibility list to confirm support for your specific ASUS laptop series
Consult customer support if you are unsure about device compatibility
For optimal battery health, avoid exposing the device to extreme temperatures and recycle used batteries responsibly at designated electronic waste collection points rather than disposing of them in household waste.

## FAQ

### How much does the Extra Digital Advanced C21n1818-1 Laptop Battery cost, and is it available for purchase?

The price is 27.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 28.09.2026 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 extra digital 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 extra digital 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/12639203/69553594_large.webp