# FSP BB-48/18RT UPS Battery 48 V 18 Ah Black

**URL:** https://aio.lv/en/product--fspfortron-bb-4818rt--3117698
**Data updated:** 2026-09-10 04:18 (EEST)
**Category:** Other goods
**Manufacturer:** fsp/fortron
**Manufacturer code:** BB-48/18RT
**EAN:** 4711140486703
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 539.49 €
**Prices and availability valid until:** 2026-11-30 23:59
**Price without VAT (21%):** 445.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fspfortron-bb-4818rt--3117698

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.12.2026 | free |
| Pickup points | 04.12.2026 | 1.99 EUR |
| Courier delivery to door | 04.12.2026 | 4.99 EUR |

## Summary description

Reliable FSP BB-48/18RT UPS battery designed to provide dependable backup power for compatible uninterruptible power supply systems. Features a battery voltage of 48 V and a capacity of 18 Ah, ensuring stable performance during power outages. Finished in a professional black color, this robust power solution is engineered for seamless integration and reliable operation in critical office and home environments.

## Long description

The FSP BB-48/18RT UPS Battery 48 V 18 Ah Black is a reliable and robust battery bank solution designed to provide dependable backup power for compatible uninterruptible power supply systems. Engineered to ensure stable performance during unexpected power outages, this power unit features a voltage of 48 V and a capacity of 18 Ah. Finished in a professional black color, it is built for seamless integration and dependable operation in critical office and home environments.
Advantages
This battery solution delivers consistent and stable power output, ensuring that connected sensitive electronic equipment remains protected against sudden power loss and voltage fluctuations. Its robust construction ensures long-term operational reliability and durability. Designed to integrate smoothly with specific uninterruptible power supply systems, it offers a practical and efficient backup power extension for maintaining continuous workflow during electrical supply interruptions.
Suitable for
Providing backup power during grid failures for compatible UPS units
Office environments requiring continuous power for workstations and servers
Home office setups protecting critical computer hardware
Supporting FSP Custos Series and Eufo Series 2.0 kVA UPS models
When it may not be suitable
This battery bank is not compatible with uninterruptible power supply systems that require a different voltage or capacity rating outside of the 48 V and 18 Ah specifications. It is also unsuitable for standalone off-grid power applications that are not designed to interface with this specific manufacturer series.
Key specifications
Battery voltage: 48 V
Battery capacity: 18 Ah
Color: Black
Form factor and design: Compatible with FSP Custos Series 2.0 kVA UPS and Eufo Series 2.0 kVA UPS models
How to use
Installation should be performed by qualified personnel or following the specific instructions provided with your compatible uninterruptible power supply system. Ensure the UPS unit is powered off and disconnected from the mains electricity before connecting the battery bank. Secure all cable connections properly according to the manufacturer guidelines to maintain safe and optimal electrical contact. Once securely connected, power on the UPS system and verify that the battery is recognized and charging correctly.
What to consider before purchase
Verify compatibility with your existing uninterruptible power supply model
Check the physical dimensions and space availability in your rack or floor area
Ensure the required voltage and capacity match your system requirements
Always disconnect the power supply and follow standard safety precautions when handling or installing backup battery systems to prevent electrical hazards.

## Specifications

| Feature | Value |
|---|---|
| Compatibility | FSP Custos Series 2.0 kVA UPS, Eufo Series 2.0 kVA UPS |
| Height | 88 mm |
| Width | 480 mm |
| Depth | 438 mm |
| Product colour | Black |
| Battery voltage | 48 V |
| Battery capacity | 18 Ah |
| Harmonized System (HS) code | 85044090 |

## FAQ

### How much does the FSP BB-48/18RT UPS Battery cost, and is it available for purchase?

The price is 539.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 20 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 01.12.2026 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 fsp/fortron 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 fsp/fortron 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/3117698/58239293_large.webp