# Movano B21N1818-2 Laptop Battery for Asus X512FA, X512UF, X509FB, X509FA, X509FJ, X509 - 3800 mAh, 29 Wh

**URL:** https://aio.lv/en/product--movano-btas-a512-4--12434842
**Data updated:** 2026-05-14 12:10 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** Movano
**Manufacturer code:** BT/AS-A512-4
**EAN:** 5907127800115
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 25.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 21.48 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--movano-btas-a512-4--12434842

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Movano B21N1818-2 replacement battery is designed for Asus X512 and X509 series laptops. With a capacity of 3800 mAh and 29 Wh, this lithium-ion battery provides reliable power for your portable device. It is engineered to meet original manufacturer specifications, ensuring compatibility and stable performance for daily computing tasks. Ideal for restoring battery life to your Asus laptop.

## Long description

The Movano B21N1818-2 replacement battery is a high-quality power solution specifically engineered for Asus X512 and X509 series laptops. Designed to match the exact requirements of your device, this lithium-ion battery restores your laptop's portability and ensures consistent power delivery for your daily computing needs. By utilizing advanced cell technology, it provides a reliable alternative to original equipment, maintaining stable performance throughout its operational lifespan.
Advantages
This battery offers a seamless fit and reliable operation, mirroring the performance characteristics of the original component. Its lithium-ion chemistry ensures no memory effect, allowing you to charge the battery at any time without needing to fully deplete it first. The integration of modern safety circuits protects against overcharging, overheating, and short circuits, providing peace of mind during intensive use. With a capacity of 3800 mAh, it effectively extends the time you can spend working away from a power outlet.
Suitable for
Restoring battery life to Asus X512FA, X512UF, X509FB, X509FA, and X509FJ laptops
Users requiring a dependable spare or replacement power source for mobile work
Maintaining productivity during travel or remote work sessions
When it may not be suitable
This battery is exclusively designed for specific Asus models and will not function in laptops from other manufacturers or incompatible series. It is not intended for use in devices requiring a different voltage or physical connector configuration.
Key specifications
Capacity: 3800 mAh
Energy: 29 Wh
Technology: Lithium-ion
Compatibility: Asus X512 and X509 series
How to use
To install the battery, first ensure your laptop is completely powered off and disconnected from the AC adapter. Open the laptop chassis according to the manufacturer's service manual, carefully disconnect the old battery, and remove it. Insert the Movano B21N1818-2 battery into the designated compartment, ensuring the connector is firmly seated. Once installed, reassemble the laptop and charge the battery to its full capacity before the first period of unplugged use.
What to consider before purchase
Verify your specific laptop model number matches the supported series
Check the physical shape and connector of your current battery
Ensure your laptop is compatible with the B21N1818-2 specification
Usage recommendations
For optimal battery health, avoid exposing your laptop to extreme temperatures and perform a full charge cycle at least once a month. If the laptop will not be used for an extended period, store the battery in a cool, dry place with approximately 50% charge.

## FAQ

### How much does the Movano B21N1818-2 Battery for Asus X512 and X509 Series cost, and is it available for purchase?

The price is 25.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 06.07.2026 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 Movano 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 Movano 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/12434842/68744036_large.webp