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

**URL:** https://aio.lv/en/product--qoltec-53979--4642721
**Data updated:** 2025-12-29 17:36 (EET)
**Category:** UPS
**Manufacturer:** QOLTEC
**Manufacturer code:** 53979
**EAN:** 5901878539799
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 54.99 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 45.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-53979--4642721

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary 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.

## Long 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

### Ports & interfaces

| Feature | Value |
|---|---|
| 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

| Feature | Value |
|---|---|
| Number of batteries supported | 1 |
| Battery voltage | 12 V |
| Battery capacity | 9 Ah |

### Design

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 3.544 kg |
| Height | 144 mm |
| Width | 100 mm |
| Depth | 286 mm |

### Operational conditions

| Feature | Value |
|---|---|
| Operating temperature (T-T) | 0 - 40 |

### Features

| Feature | Value |
|---|---|
| Output power capacity | 0.85 kVA |
| Noise level | 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

| Feature | Value |
|---|---|
| Package weight | 3895 g |
| Package depth | 323 mm |
| Package height | 222 mm |
| Package width | 142 mm |
| Package type | Box |

## 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 — 282 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 19.06.2026 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. More information about warranty service: https://aio.lv/en/warranty

### 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.

## Image

https://aio.lv/img/cache/product/4642721/63665618_large.webp