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header-product Uninterruptible Power Supply FSP/Fortron ST 1500 — Line-Interactive UPS 1.5 kVA (900 W), 18 Ah battery, tower, USB, black

Uninterruptible Power Supply FSP/Fortron ST 1500 — Line-Interactive UPS 1.5 kVA (900 W), 18 Ah battery, tower, USB, black

UPS FSP/Fortron ST 1500 — 1.5 kVA (900 W) Photo 1
UPS FSP/Fortron ST 1500 — 1.5 kVA (900 W) Photo 2
UPS FSP/Fortron ST 1500 — 1.5 kVA (900 W) Photo 1
UPS FSP/Fortron ST 1500 — 1.5 kVA (900 W) Photo 2
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Short description

The FSP/Fortron ST 1500 is a Line-Interactive uninterruptible power supply with 1.5 kVA (900 W) output capacity and an 18 Ah internal battery. It provides reliable power backup for PCs, network equipment and small servers, with active cooling, compact tower design, USB connectivity and a 6.8-hour recharge time to restore full battery capacity.
Warranty: 2 Years
SKU: 10802559
Manufacturer: fsp/fortron
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Product information

Description

The FSP/Fortron ST 1500 is a line-interactive uninterruptible power supply designed to provide short-term backup and voltage regulation for desktop computers, small servers, network devices and peripheral equipment. With a rated output capacity of 1.5 kVA (900 W) and an internal 18 Ah battery, the unit offers a compact tower form factor, active cooling and a single USB 2.0 port for basic communication and orderly shutdown in the event of prolonged power loss. The black enclosure and moderate footprint make it suitable for office racks, workstations and home setups where space efficiency and continuous operation are required.

Advantages

The ST 1500 combines line-interactive voltage regulation and battery backup to protect against short outages, brownouts and voltage fluctuations while maintaining device uptime. Its internal 18 Ah battery and 900 W output enable sustained power delivery to essential equipment. Active cooling helps maintain thermal stability under load, and the tower design provides straightforward placement on or near a desk. The single USB 2.0 interface supports power management software and controlled shutdown procedures.

Suitable for

  • Desktop PCs and workstations requiring clean shutdown and short-term backup
  • Small office network devices such as routers, switches and NAS units
  • Peripheral devices like monitors and external drives during power interruptions
  • Home office setups that need compact, unobtrusive backup power

Key specifications

  • Output power capacity: 1.5 kVA
  • Rated output power: 900 W
  • Battery: internal 18 Ah
  • Interface: USB 2.0 port (1)
  • Form factor: tower
  • Cooling: active cooling fan
  • Colour: black
  • Recharge time: approximately 6.8 hours
  • Weight: 12 kg

How to use

Place the tower UPS on a stable, ventilated surface away from direct heat and moisture. Connect the UPS to mains power and allow it to charge for the recommended recharge time before relying on battery backup. Plug critical equipment into the battery-backed outlets and non-critical loads into surge-only outlets if available. Use the USB 2.0 connection to link the UPS to a computer running compatible power management software to enable automatic, orderly shutdown when battery runtime becomes low. Periodically inspect the unit, keep vents unobstructed and follow manufacturer maintenance guidelines for battery care.

Usage recommendations

For consistent performance, avoid loading the UPS beyond its 900 W rated output and spread high-startup-load devices across separate power sources. Maintain the unit in a temperature-controlled environment and perform battery replacement as recommended by the manufacturer to ensure reliable backup operation.

Specifications

USB 2.0 ports quantity:
1
Weight:
12 kg
Output power capacity:
1.5 kVA
Output power:
900 W
Product colour:
Black
All features

Ports & interfaces

USB 2.0 ports quantity:
1
Ethernet LAN (RJ-45) ports:
2
Number of output IEC jumpers:
8
USB port:
Yes
USB port type:
USB Type-B

Battery

Number of battery cells:
2
Battery recharge time:
6.8 h
Hot-swap battery:
Yes
Battery voltage:
12 V
Battery capacity:
18 Ah

Design

Product colour:
Black
Form factor:
Tower
Control type:
Buttons
Cooling type:
Active
Display type:
LCD
Built-in fan:
Yes

Weight & dimensions

Weight:
12 kg
Height:
280 mm
Width:
99 mm
Depth:
410 mm

Operational conditions

Operating relative humidity (H-H):
0 - 90
Operating temperature (T-T):
0 - 40

Packaging content

Batteries included:
Yes

Features

Audible alarm(s):
Yes
Output power capacity:
1.5 kVA
Input frequency:
50/60
Output power:
900 W
Power protection features:
Overload, Overcharge, Battery discharge
Power source type:
AC
Input operation voltage (max):
270 V
Input operation voltage (min):
81 V
Output operation voltage (min):
110 V
Output operation voltage (max):
240 V
Output frequency:
50/60
Waveform:
Sine
Output voltage regulation:
5
UPS topology:
Line-Interactive
Audible alarm modes:
Overload alarm, Low battery alarm, Fault, Alarm when on battery

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Customer reviews

Customer questions

FAQ

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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: usb 2.0 ports quantity, weight, output power capacity, output power, 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.

Where can I download the instructions for UPS FSP/Fortron ST 1500 — 1.5 kVA (900 W)?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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