Uninterruptible Power Supply Qoltec Monolith

Name: Uninterruptible Power Supply Qoltec Monolith 53979
Brand: QOLTEC
SKU: 4642721
Price: 54.99 EUR
Availability: InStock

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Uninterruptible Power Supply Qoltec Monolith 0.85 kVA 480 W 2 AC outlets

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Short description

The Qoltec Monolith UPS features a double-conversion topology, providing reliable power backup with 0.85 kVA capacity and 480 W output. It includes 2 Type F AC outlets and a USB Type-B port. The compact design and passive cooling make it suitable for various environments. With a 9 Ah battery and 12 V voltage, it ensures stable performance for connected devices.

Available at price 54.99 €: 124 pcs.

Total available for order: 285 pcs.

Warranty: 2 Years

SKU: 4642721

Manufacturer: QOLTEC

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Deliver the order:

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to the Customer Service Center at Kengaraga 2b, Riga

18.06.2026 {{selectedOffer.officeDeliveryString}}

free

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Customer service center

2b. Kengaraga str., Riga, Latvia, LV-1063

18.06.2026 {{selectedOffer.officeDeliveryString}}

free

Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!

25.06.2026 {{selectedOffer.courierDeliveryString}}

From 4.99 € (Weight: 4.73 kg)

Parcel couriers

Latvijas Pasts pakomāts / Unisend / DPD Paku skapis / Omniva / Venipak Pickup / Venipak Locker / Latvijas Pasts nodaļa

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From 1.99 €

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Payment Methods:

Bank transfer, Bank cards on-line, Apple Pay, Google Pay

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Product information

Description

Qoltec Monolith uninterruptible power supply provides backup power and voltage regulation to protect connected equipment during mains disturbances. The unit includes automatic voltage regulation (AVR), cold start capability and an LCD that displays operational status. It is intended for users who need to maintain stable operation of computers and similar devices when mains voltage fluctuates or fails.

Advantages

The UPS offers AVR to stabilise input voltage and reduce battery cycling, an LCD for clear status information, cold-start capability to power a connected device when mains power is absent, surge protection for network lines via an RJ45 interface, and audible alarms for low battery and fault conditions. It has a built-in maintenance-free battery and a USB port for power-management communication.

Suitable for

Home and small office desktop computers
Network devices that require surge protection over LAN
Peripherals and devices needing brief backup to save data or perform safe shutdown

Key specifications

Brand: Qoltec
Model: Monolith (MPN 53979, EAN 5901878539799)
Output power capacity: 0.85 kVA
Output power: 480 W
AC outlets: 2
USB ports: 1 (USB Type-B for management)
Battery: built-in maintenance-free battery
Product colour: Black
Weight: 3.544 kg

How to use

Connect the UPS to mains and allow the internal battery to charge. Plug the computer and other critical devices into the AC outlets. Use the LCD to monitor status and settings. If mains power fails, the UPS will supply power from its internal battery and the AVR will regulate voltage automatically. Connect the USB Type-B port to a computer and install available power-management software to monitor UPS events and configure automated shutdown if required.

Usage recommendations

Keep the UPS in a well-ventilated, dust-free location away from direct heat or moisture. Allow up to 6 hours for the battery to charge to approximately 90% after the initial setup. Regularly test the backup function and ensure connected equipment power draw does not exceed the rated 480 W output.

Specifications

AC outlets quantity:: 2 AC outlet(s)
USB 2.0 ports quantity:: 1
Weight:: 3.544 kg
Output power:: 480 W
Output power capacity:: 0.85 kVA
Product colour:: Black

All features

Ports & interfaces

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

Battery

Number of batteries supported:: 1
Battery voltage:: 12 V
Battery capacity:: 9 Ah

Design

Product colour:: Black
Form factor:: Compact
LED indicators:: Y
Control type:: Buttons
Cooling type:: Passive
Display type:: LCD
Built-in fan:: Yes

Weight & dimensions

Weight:: 3.544 kg
Height:: 144 mm
Width:: 100 mm
Depth:: 286 mm

Operational conditions

Operating temperature (T-T):: 0 - 40

Features

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:: 480 W
Power protection features:: Short circuit, Overload, Over voltage
Input operation voltage (max):: 300 V
Input operation voltage (min):: 140 V
Output operation voltage (min):: 220 V
Output operation voltage (max):: 230 V
Output frequency:: 50/60
Waveform:: Pure sine
Output voltage regulation:: 5
Output frequency regulation:: 0.05
UPS topology:: Double-conversion (Online)

Packaging data

Package weight:: 3895 g
Package depth:: 323 mm
Package height:: 222 mm
Package width:: 142 mm
Package type:: Box

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Warehouse	Stock	Delivery to the store	Store Price
WH323	124	18.06.2026	54.99 € Best price
EU57	10	25.06.2026	57.99 €
EU58	131	06.07.2026	57.99 €
WH353	10	30.06.2026	63.99 €
BT84	4	17.06.2026 Best delivery	64.49 €
EU1	6	19.06.2026	72.99 €

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54.99 €

Stock: 124

Delivery Date: 18.06.2026

Warehouse: WH323

57.99 €

Stock: 10

Delivery Date: 25.06.2026

Warehouse: EU57

57.99 €

Stock: 131

Delivery Date: 06.07.2026

Warehouse: EU58

63.99 €

Stock: 10

Delivery Date: 30.06.2026

Warehouse: WH353

64.49 €

Stock: 4

Delivery Date: 17.06.2026 Best delivery

Warehouse: BT84

72.99 €

Stock: 6

Delivery Date: 19.06.2026

Warehouse: EU1

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Customer questions

FAQ

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

The price is 54.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 285 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 18.06.2026 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 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: ac outlets quantity, usb 2.0 ports quantity, weight, output power, output power 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.

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