# Laptop battery Green Cell AS129 for ASUS G551 G771 N551, Li-Ion 4400 mAh, 10.8 V, 6 cells, black

**URL:** https://aio.lv/en/product--green-cell-as129--4021123
**Data updated:** 2026-01-21 10:55 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Green Cell
**Manufacturer code:** AS129
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 26.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 21.89 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--green-cell-as129--4021123

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 13.07.2026 | 1.89 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery Green Cell AS129 compatible with ASUS G551, G771 and N551 models. Lithium‑Ion pack with 4400 mAh capacity, 10.8 V nominal voltage and 6 cells. Supplied as a single black battery for extending mobile runtime and replacing worn original batteries; suitable for everyday mobile use, work and travel.

## Long description

Green Cell AS129 is a replacement laptop battery compatible with ASUS models G551, G551J, G551JM, G551JW, G771, G771J, G771JM, G771JW, N551, N551J, N551JM and N551JW. The battery uses Green Cell lithium‑ion cells and is designed to match the original form and electrical parameters to provide reliable power, real capacity and safe operation. It is available in black and has a nominal capacity of 4400 mAh.
Advantages
The Green Cell AS129 battery uses efficient Li‑Ion cells developed by Green Cell that minimise memory effect and offer long cycle life — manufacturer data indicate up to 1,000 full charge cycles while retaining capacity. Integrated control electronics provide stable communication with the laptop and a set of electronic protections to ensure safe charging and discharging. The battery is a direct replacement designed to fit specified ASUS models and restore the laptop’s mobility.
Suitable for
Replacing a worn or faulty battery in ASUS G551, G771 or N551 series laptops
Restoring portability for travel, meetings or work away from mains power
Users who need a straightforward, direct-replacement battery with proven Li‑Ion technology
Key specifications
Model: Green Cell AS129 (MPN: AS129)
Compatible models: ASUS G551 / G551J / G551JM / G551JW, G771 / G771J / G771JM / G771JW, N551 / N551J / N551JM / N551JW
Battery technology: Lithium‑Ion (Li‑Ion)
Capacity: 4400 mAh
Colour: Black
How to use
Turn off the laptop and disconnect it from the power adapter before replacing the battery. Remove the old battery following the laptop manufacturer’s service instructions, insert the Green Cell AS129 in the correct position and secure it. Reconnect the power adapter and charge the new battery to full capacity before first use. After installation, confirm successful recognition of the battery in the operating system battery status indicator.
Usage recommendations
For prolonged battery life, avoid deep discharges and excessive heat. Store the battery in a cool, dry place when not in use. Recycle the replaced battery according to local regulations; Green Cell participates in recycling initiatives.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Battery capacity | 4400 mAh |
| Number of battery cells | 6 |
| Battery voltage | 10.8 V |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | G551 G551J G551JM G551JW G771 G771J G771JM G771JW N551 N551J N551JM N551JW |
| Brand compatibility | ASUS |

## FAQ

### How much does the Green Cell AS129 laptop battery for ASUS G551 G771 N551 cost, and is it available for purchase?

The price is 26.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1238 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

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: battery technology, battery capacity, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/4021123/65717204_large.webp