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header-product Uninterruptible Power Supply Qoltec 53771 2 kVA 1200 W 2 AC outlets
144.99 €

Uninterruptible Power Supply Qoltec 53771 2 kVA 1200 W 2 AC outlets

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Uninterruptible Power Supply Qoltec 53771 Photo 1
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Uninterruptible Power Supply Qoltec 53771 Photo 12
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Short description

The Qoltec 53771 is a Line-Interactive UPS with a capacity of 2 kVA and 1200 W. It features 2 AC outlets and a USB Type-B port. The battery has a capacity of 9 Ah and a voltage of 12 V, with a recharge time of 6 hours. The device is equipped with an LCD display and has dimensions of 139 mm width, 372 mm depth, and 165 mm height.
Available at price 144.99 €: 5 pcs.
Total available for order: 39 pcs.
Warranty: 2 Years
SKU: 10513245
Manufacturer: QOLTEC
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
23.09.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
28.09.2026 {{selectedOffer.courierDeliveryString}}
From 10.06 € (Weight: 12.24 kg)
Parcel couriers
Unisend LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
28.09.2026 {{selectedOffer.parcelStationDeliveryString}}
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 4.03 euros per month
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Product information

Description

The Qoltec Line Interactive UPS 53771 (2 kVA, 1200 W) provides uninterrupted power to connected computers and electronic equipment during mains voltage drops or outages. Equipped with automatic voltage regulation (AVR), a maintenance-free 12 V 9 Ah battery, an LCD display and USB Type-B communication, it monitors and stabilizes supply voltage while supplying backup power from two AC outlets. The unit supports cold-start and includes surge protection for LAN (RJ45) and audible alarms.

Advantages

The UPS uses a modified sine wave output suitable for computers and most data-processing devices, offering a simpler design and lower failure rates compared with pure-sine solutions. The Line-Interactive topology with AVR corrects undervoltages and overvoltages automatically, reducing battery wear and extending run reliability. The built-in LCD provides real-time status and parameters, while the USB port enables power-management software monitoring. The unit also protects against overload, overcharge and deep discharge, and features cold-start capability for starting equipment when mains power is absent.

Suitable for

  • Home and office desktop computers
  • Workstations and peripherals that do not require a pure sine wave
  • Network devices protected via RJ45 surge suppression
  • Data-saving and graceful shutdown during short outages

Key specifications

  • Model: Qoltec 53771
  • Output power capacity: 2 kVA (1200 W)
  • AC outlets: 2
  • Battery: 12 V, 9 Ah (maintenance-free)
  • Recharge time: up to 6 hours to 90% capacity
  • Output waveform: modified sine wave
  • Ports: USB Type-B, RJ45 (LAN surge protection)
  • Display: LCD
  • Weight: 12.3 kg
  • Colour: Black
  • Dimensions (W×D×H): 139 × 372 × 165 mm

How to use

Connect the UPS to mains power and allow the battery to charge; charging to approximately 90% takes up to 6 hours. Plug the computer or other supported devices into the two AC outlets and connect the USB Type-B port to a PC if you require software monitoring of power events. In normal conditions the AVR maintains stable output; in case of mains failure the UPS switches to battery backup automatically. Use the cold-start function to start equipment from the UPS when mains power is unavailable. Monitor status on the LCD and respond to audio alarms as needed.

Usage recommendations

Install the UPS in a well-ventilated, dry location away from direct heat sources. Fully charge the battery before first use, test graceful shutdown procedures with your critical equipment, and periodically check the LCD status and battery health. Do not connect devices that explicitly require a pure sine wave output.

Specifications

Input frequency: The frequency (Hz) which is required to power the product.
50
Input operation voltage (max): The maximum input voltage supported by the device.
290 V
Input operation voltage (min): The minumum voltage needed by the device during operation.
140 V
Waveform:
Sine
Output power: The power that the device can produce.
1200 W
Output power capacity: The maximum power that the device can produce.
2 kVA
UPS topology: The two main UPS topologies are Double-Conversion True Online and Standby / Eco. Many quality-based considerations are involved when choosing the the optimal UPS for the job, like how they are coping with voltage disturbances.
Line-Interactive
Product colour: The colour e.g. red, blue, green, black, white.
Black
All features

Packaging data

Package weight: Weight of the packaged product.
12800 g
Package height: The distance from the top to the bottom of the packaging.
240 mm
Package depth: The distance from the front to the back of the packaging.
209 mm
Package width: The distance from one side of the packaging to the other.
440 mm

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
12.3 kg
Height: The measurement of the product from head to foot or from base to top.
165 mm
Depth: The distance from the front to the back of something.
372 mm
Width: The measurement or extent of something from side to side.
139 mm

Packaging content

Manual:
Yes
Cables included:
USB cable

Operational conditions

Storage relative humidity (H-H):
0 - 90
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-15 - 45
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40

Design

Display type: Type of display (screen) e.g. LCD.
LCD
Product colour: The colour e.g. red, blue, green, black, white.
Black

Battery

Cold start:
Yes
Battery recharge time: Approximate time required to recharge the battery from completely empty to completely full
6 h
Battery voltage: The voltage (V) of the battery.
12 V
Battery capacity: The amount of electric charge a battery can deliver at the rated voltage. The more electrode material contained in the cell the greater its capacity. A small cell has less capacity than a larger cell with the same chemistry, although they develop the same open-circuit voltage. Capacity is measured in units such as amp-hour (A·h).
9 Ah

Ports & interfaces

Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
2
USB port type:
USB Type-B
USB port: The device features a socket into which a USB cable can be plugged.
Yes
Number of output IEC jumpers:
2
Number of type F outputs:
1
AC outlets quantity: The number of sockets in the device where AC electrical power can be connected.
2 AC outlet(s)
AC outlet types: The type of outlet for AC electricity.
Type F, Type E, C13 coupler

Features

Power protection features: Features that protect the device against power problems e.g. overload.
Input fuse, Over voltage, Overload, Short circuit, Under power, Under voltage
Noise level: The amplitude level of the undesired background noise, usually measured in decibels (db).
40 dB
Automatic Voltage Regulation (AVR):
Yes
Output frequency:
50/60
Output operation voltage (max): The maximum output voltage produced by the device.
230 V
Output operation voltage (min): The minumum voltage produced by the device during operation.
220 V
Input frequency: The frequency (Hz) which is required to power the product.
50
Input operation voltage (max): The maximum input voltage supported by the device.
290 V
Input operation voltage (min): The minumum voltage needed by the device during operation.
140 V
Waveform:
Sine
Output power: The power that the device can produce.
1200 W
Output power capacity: The maximum power that the device can produce.
2 kVA
UPS topology: The two main UPS topologies are Double-Conversion True Online and Standby / Eco. Many quality-based considerations are involved when choosing the the optimal UPS for the job, like how they are coping with voltage disturbances.
Line-Interactive

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Stock data
Warehouse Stock Delivery to the store Store Price
EU1 5 23.09.2026
144.99 € Best price
BT84 1 21.09.2026 Best delivery
146.99 €
WH323 28 22.09.2026
147.99 €
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144.99 €
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146.99 €
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Delivery Date: 21.09.2026 Best delivery
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147.99 €
Stock: 28
Delivery Date: 22.09.2026
Warehouse: WH323
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Warehouse: WH356

Customer reviews

Customer questions

FAQ

How much does the Uninterruptible Power Supply Qoltec 53771 cost, and is it available for purchase?

The price is 144.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 23.09.2026 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, Installment. All transactions are 100% secure and encrypted.

Can Uninterruptible Power Supply Qoltec 53771 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 Uninterruptible Power Supply Qoltec 53771 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 QOLTEC 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 QOLTEC 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: input frequency, input operation voltage (max), input operation voltage (min), waveform, output power, output power capacity, ups topology, 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 Uninterruptible Power Supply Qoltec 53771?

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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