# Battery for Asus notebook X512C — Replacement battery B21N1818 (MPN 0B200-03440400)

**URL:** https://aio.lv/en/product--asus-0b200-03440400--11555801
**Data updated:** 2026-02-15 12:50 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Asus
**Manufacturer code:** 0B200-03440400
**EAN:** 5715063214466
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 63.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 52.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-0b200-03440400--11555801

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Replacement battery compatible with Asus X512C laptops, model B21N1818 (MPN 0B200-03440400). Designed to restore battery life for portable use, it replaces the original internal battery to provide power for everyday tasks, mobility, and extended unplugged operation. Suitable for users needing a direct OEM-fit replacement to maintain laptop portability and runtime.

## Long description

Replacement battery compatible with Asus X512C laptops, model B21N1818. This internal battery is designed to restore portable power and extend unplugged use for everyday tasks. It fits directly into the original battery compartment of compatible Asus X512C series notebooks and is intended as a like-for-like replacement to maintain the device’s mobility and runtime.
Advantages
The replacement battery offers the convenience of restoring the laptop’s autonomy without modifying the device. It is manufactured to match the physical dimensions and connection interface of the original battery, facilitating straightforward installation. By replacing an aged or failing battery, users can recover expected battery life and continue working, studying, or traveling with the notebook. The product is suitable for standard charging cycles and typical daily usage patterns.
Suitable for
Owners of Asus X512C series laptops needing an OEM-fit internal battery replacement
Users seeking to restore battery runtime for everyday office, study, or web browsing tasks
Mobile professionals and students who require reliable unplugged operation during travel
Key specifications
Compatibility: Asus X512C series notebooks
Battery type: internal rechargeable lithium-ion pack
Form factor: OEM-fit replacement designed for internal installation
Typical use: supports standard laptop power management and charging routines
How to use
Power off the laptop and disconnect it from any external power source before replacing the battery. Open the notebook’s service panel or remove the bottom cover following the manufacturer’s disassembly instructions, then disconnect the old battery from the motherboard connector and remove it from the compartment. Install the replacement battery by seating it in the compartment and reconnecting the battery cable to the motherboard connector. Reassemble the laptop, connect the charger and charge the battery fully before normal use. If unsure about disassembly, consult the device manual or seek professional assistance.
Usage recommendations
To maximize battery lifespan, use the original charger or a compatible charger with correct voltage and current ratings, avoid extreme temperatures, and perform regular charge/discharge cycles. Calibrate battery reporting occasionally by fully charging and then discharging to a low level according to the laptop manufacturer’s guidance.

## FAQ

### How much does the Asus X512C replacement battery B21N1818 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 — 124 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 02.07.2026 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. 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

## Image

https://aio.lv/img/cache/product/11555801/66559718_large.webp