# Battery Green Cell FS31 for Fujitsu LifeBook — LiPo 4400 mAh, 11.1 V, black, 1 pc

**URL:** https://aio.lv/en/product--green-cell-fs31--3579351
**Data updated:** 2026-01-21 10:53 (EET)
**Category:** Portable Device Batteries
**Manufacturer:** Green Cell
**Manufacturer code:** FS31
**EAN:** 5903317227809
**Warranty:** 1 Year
**Availability:** Available for order
**Price:** 28.49 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 23.55 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--green-cell-fs31--3579351

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 25.06.2026 | free |
| Pickup points | 30.06.2026 | 1.99 EUR |
| Courier delivery to door | 30.06.2026 | 4.99 EUR |

## Summary description

Replacement laptop battery Green Cell FS31 compatible with Fujitsu LifeBook A514, A544, A555, AH544, AH564, E547, E554, E733, E734, E743, E744, E746, E753, E754 and S904 models. Lithium Polymer (LiPo) technology, 4400 mAh capacity and 11.1 V voltage. Black, single-piece pack designed for reliable mobile power, extended runtime and straightforward swap-in replacement.

## Long description

The Green Cell FS31 battery restores mobility to compatible Fujitsu LifeBook laptops, allowing use away from power outlets. Designed for models such as A514, A544, A555, AH544, AH564, E547, E554, E733, E734, E743, E744, E746, E753, E754 and S904, this black Lithium Polymer (LiPo) battery with 4400 mAh capacity provides reliable power and extended runtime while maintaining safe operation with built-in electronics.
Advantages
Green Cell FS31 uses efficient lithium-ion technology in a LiPo format to deliver stable power without the memory effect. Modern control electronics enable smooth communication with the laptop and provide a full set of protections for safe charging and discharging. The battery is designed for durability and a long service life, and Green Cell promotes recycling and environmentally responsible disposal of used batteries.
Suitable for
Replacing worn or non-functioning batteries in compatible Fujitsu LifeBook models
Extending laptop runtime for travel, meetings, and remote work
Maintaining reliable power for everyday office and home use
Key specifications
Model: Green Cell FS31 (MPN: FS31, EAN: 5903317227809)
Compatibility: Fujitsu LifeBook A514, A544, A555, AH544, AH564, E547, E554, E733, E734, E743, E744, E746, E753, E754, S904
Battery technology: Lithium Polymer (LiPo)
Capacity: 4400 mAh
Colour: Black
How to use
Switch off the laptop and remove the old battery according to the laptop manufacturer’s instructions. Insert the Green Cell FS31 battery into the battery bay, ensuring correct alignment and secure connection. After installation, connect the laptop to the mains and allow the battery to charge fully before first use. The built-in control electronics will manage charging and communication with the laptop automatically.
Usage recommendations
For longest battery life, avoid exposing the battery to high temperatures, store it partially charged for long-term storage, and recycle the old battery through authorized recycling channels. If increased runtime is needed, consider Green Cell PRO or ULTRA series batteries with higher-capacity Samsung or Panasonic cells.

## Specifications

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

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
| Battery capacity | 4400 mAh |
| Battery voltage | 11.1 V |
| Product colour | Black |

### Technical details

| Feature | Value |
|---|---|
| Type | Battery |
| Compatibility | LifeBook A514 A544 A555 AH544 AH564 E547 E554 E733 E734 E743 E744 E746 E753 E754 S904 |
| Brand compatibility | Fujitsu |

## FAQ

### How much does the Battery Green Cell FS31 for Fujitsu LifeBook cost, and is it available for purchase?

The price is 28.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 1955 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 25.06.2026 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 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/3579351/65716221_large.webp