# Battery for Asus VivoBook 15 — Green Cell B21N1818 (compatible with A512, R512, X512 series)

**URL:** https://aio.lv/en/product--green-cell-green-as165--10997871
**Data updated:** 2026-04-01 09:45 (EEST)
**Category:** Portable Device Batteries
**Manufacturer:** Green Cell
**Manufacturer code:** GREEN-AS165
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 51.49 €
**Prices and availability valid until:** 2026-08-09 23:59
**Price without VAT (21%):** 42.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--green-cell-green-as165--10997871

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery Green Cell B21N1818 (MPN GREEN-AS165) designed for Asus VivoBook 15 models including A512, A512DA, A512FA, A512JA, R512F, R512U, X512 and their variants. Provides a direct-fit power source for portable computing, restoring runtime and mobility for everyday use, study, and travel. Use as a spare or to replace worn original battery; compatible with listed chassis and connectors.

## Long description

Battery for Asus VivoBook 15 — Green Cell B21N1818 (compatible with A512, R512, X512 series) is a direct-replacement laptop battery designed to restore portable power for Asus VivoBook 15 models. Compatible model families include A512, A512DA, A512FA, A512JA, R512F, R512U, X512 and their variants. The battery provides the same connector and mounting form factor as the original, enabling straightforward installation to recover runtime for everyday tasks, study, and travel without modifying the device.
Advantages
This Green Cell B21N1818 battery offers reliable compatibility with specified VivoBook 15 chassis and connector types and is manufactured to deliver stable voltage and current for normal laptop operation. It is suitable as a spare or replacement battery to recover lost capacity from an aged cell, and it supports typical power management features of the laptop without requiring firmware changes. The pack is built to fit the original battery compartment and to maintain safe charge and discharge behavior under normal usage.
Suitable for
Replacing a worn or failing battery in Asus VivoBook 15 A512, R512, X512 series laptops
Keeping a charged spare for travel, study sessions, or field work
Restoring mobility and runtime for everyday office tasks, web browsing, and media playback
Key specifications
Compatibility: Asus VivoBook 15 families A512, A512DA, A512FA, A512JA, R512F, R512U, X512 and variants
Form factor: direct-replacement pack designed to match original battery mounting and connector
Chemistry: rechargeable lithium-ion cell pack
Typical use: mains-independent laptop operation for general productivity and multimedia
Safety: built-in protection for normal charge/discharge cycles (overcurrent and short-circuit protection implied by manufacturer design)
How to use
Power down the laptop and disconnect any external power and accessories before starting. Remove the service panel or battery cover according to the laptop service instructions, then uninstall the original battery by disconnecting its cable and removing any securing screws. Install the Green Cell B21N1818 battery by aligning it with the mounting points and connector, secure any fasteners, and reconnect the cable. Replace the cover, reconnect external power, and boot the laptop. Allow the new battery to charge to full capacity before first extended use to ensure the battery management system calibrates properly.
Usage recommendations
Use the battery in environments within the laptop manufacturer’s recommended temperature and humidity ranges, avoid exposing the pack to excessive heat or moisture, and follow safe charging practices. If the laptop reports battery calibration or health warnings after installation, perform a battery calibration cycle or consult service documentation. Dispose of the depleted original battery according to local electronic waste regulations.

## FAQ

### How much does the Green Cell B21N1818 battery for Asus VivoBook 15 cost, and is it available for purchase?

The price is 51.49 € (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 Wednesday 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 Green Cell 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 Green Cell 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

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