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header-product Uninterruptible Power Supply UPS FSP ST 850 0.85 kVA 510 W 4 Type F AC outlets, USB-B, 9 Ah battery, tower
156.45 €

Uninterruptible Power Supply UPS FSP ST 850 0.85 kVA 510 W 4 Type F AC outlets, USB-B, 9 Ah battery, tower

UPS FSP ST 850 0.85 kVA 510 W Photo 1
UPS FSP ST 850 0.85 kVA 510 W Photo 2
UPS FSP ST 850 0.85 kVA 510 W Photo 1
UPS FSP ST 850 0.85 kVA 510 W Photo 2
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Uninterruptible Power Supply UPS FSP ST 850 0.85 kVA 510 W 4 Type F AC outlets, USB-B, 9 Ah battery, tower

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Uninterruptible Power Supply UPS FSP ST 850 0.85 kVA 510 W 4 Type F AC outlets, USB-B, 9 Ah battery, tower

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Short description

The FSP ST 850 is a line‑interactive UPS delivering 0.85 kVA (510 W) of backup power in a tower chassis. It provides four Type F AC outlets, a USB Type‑B communication port and a 12 V 9 Ah internal battery with ~6.8 h recharge time. Active cooling protects components during backup. Suitable for desktop PCs, network devices and home office equipment to ensure safe shutdown and short‑term power continuity.
Available at price 156.45 €: 1 pcs.
Total available for order: 2 pcs.
Warranty: 2 Years
SKU: 10802561
Manufacturer: fsp/fortron
free shipment

Cheapest delivery:

Venipak Pickup LV, Venipak Locker LV

Pick-up points

Venipak Pickup LV

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
Tuesday {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
10.07.2026 {{selectedOffer.courierDeliveryString}}
From 7.30 € (Weight: 8.30 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
10.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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pay in 3 equal parts

today

0 €

afterward

3 mth. х 52.15 €

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0 €

All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 4.35 euros per month
Together cheaper
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Product information

Description

The FSP ST 850 is a line-interactive uninterruptible power supply designed to provide short-term backup power and surge protection for desktop PCs, networking devices and peripheral equipment. With a rated output of 0.85 kVA (510 W), four Type F AC outlets and an internal 12 V 9 Ah battery, this tower UPS supplies conditioned power during brief outages and voltage fluctuations. A USB Type-B communication port enables connection to a host system for monitoring, while active cooling helps maintain stable operation. Recharge time for the internal battery is approximately 6.8 hours.

Advantages

The UPS offers automatic voltage regulation through its line-interactive design, protecting connected equipment from sags and spikes without switching to battery for minor variations. Four grounded AC outlets support multiple devices simultaneously, and the compact tower form factor fits typical office or home environments. Built-in active cooling reduces thermal stress during extended use, and the USB Type-B port allows for software-based status monitoring and safe shutdown when integrated with compatible systems.

Suitable for

  • Desktop computers and workstations
  • Home and small office network equipment (routers, switches, modems)
  • External storage devices and printers requiring short backup
  • Point-of-sale terminals and small business systems

Key specifications

  • Output capacity: 0.85 kVA / 510 W
  • AC outlets: 4 Type F grounded outlets
  • Battery: internal 12 V, 9 Ah
  • Communication: USB Type-B port for monitoring
  • Form factor: tower enclosure, black finish
  • Cooling: active cooling fan
  • Recharge time: approximately 6.8 hours
  • Weight: 7.6 kg

How to use

Place the UPS on a stable, flat surface with adequate ventilation and connect critical devices to the AC outlets. Plug the UPS into a grounded mains socket and allow the internal battery to charge fully before relying on battery backup. Connect the USB Type-B port to a computer if monitoring or automated shutdown features are required; install any manufacturer-provided software to configure notifications and safe-shutdown thresholds. Regularly test the UPS by simulating a power interruption to verify that connected equipment receives backup power and that monitoring functions operate as expected.

Usage recommendations

For reliable short-term backup, avoid connecting high inrush or continuous high-load devices that exceed the 510 W output rating. Keep the UPS in a cool, dust-free environment and allow at least several hours for the battery to recharge after a full discharge. Follow the manufacturer's guidelines for periodic battery replacement to ensure continued backup capacity.

Specifications

AC outlets quantity:
4 AC outlet(s)
USB 2.0 ports quantity:
1
Weight:
7.6 kg
Output power capacity:
0.85 kVA
Output power:
510 W
Product colour:
Black
All features

Ports & interfaces

AC outlets quantity:
4 AC outlet(s)
USB 2.0 ports quantity:
1
Ethernet LAN (RJ-45) ports:
2
AC outlet types:
Type F
USB port:
Yes
USB port type:
USB Type-B

Battery

Number of battery cells:
1
Battery recharge time:
6.8 h
Hot-swap battery:
Yes
Battery voltage:
12 V
Battery capacity:
9 Ah

Design

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

Weight & dimensions

Weight:
7.6 kg
Height:
280 mm
Width:
99 mm
Depth:
288 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:
0.85 kVA
Noise level: Not only energy saving helps to protect the environment but also noise level reduction. Noise level reduction up to 3 dB really means noise level reduction in 2 times. For example, a device with noise level 39 dB (А) will be two times quieter than a devise with a noise level 42 dB (А). Energy-saving certificate that shows noise level plays the role of an additional objective indicator basing on which You can successfully choose a product.
40 dB
Input frequency:
50/60
Output power:
510 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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Stock data
Warehouse Stock Delivery to the store Store Price
WH127 1 Tuesday Best delivery 156.45 €
WH354 1 23.07.2026 214.99 €
156.45 €
Stock: 1
Delivery Date: Tuesday Best delivery
Warehouse: WH127
214.99 €
Stock: 1
Delivery Date: 23.07.2026
Warehouse: WH354

Customer reviews

Customer questions

FAQ

How much does the UPS FSP ST 850 0.85 kVA 510 W cost, and is it available for purchase?

The price is 156.45 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 Tuesday 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, Installment. All transactions are 100% secure and encrypted.

Can UPS FSP ST 850 0.85 kVA 510 W be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the UPS FSP ST 850 0.85 kVA 510 W online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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: ac outlets quantity, 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 ST 850 0.85 kVA 510 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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