# Inverter/UPS/Charger QOLTEC Pure Sine Wave Monolith 12V→230V 1000W / 2000W with LCD

**URL:** https://aio.lv/en/product--qoltec-eb498900886--11677615
**Data updated:** 2026-02-16 07:08 (EET)
**Category:** Power Inverters
**Manufacturer:** QOLTEC
**Manufacturer code:** EB498900886#
**EAN:** 310000232551
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 248.60 €
**Prices and availability valid until:** 2026-07-28 23:59
**Price without VAT (21%):** 205.45 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-eb498900886--11677615

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

QOLTEC Pure Sine Wave Monolith is a multifunctional device combining inverter, UPS and battery charger functions. It converts 12V DC to 230V AC and is available in 1000W and 2000W power variants. The unit includes an LCD for status and settings, provides stable pure sine output suitable for sensitive electronics, and supports battery charging and backup power for home or small office use.

## Long description

QOLTEC Pure Sine Wave Monolith is a combined inverter, UPS and battery charger designed to convert 12V DC to 230V AC. Available in 1000W and 2000W power variants, the unit supplies a stable pure sine wave output suitable for sensitive electronics. The built-in LCD provides status information and allows adjustment of operational parameters. The device supports battery charging and automatic switchover to backup power to maintain continuous operation in home or small office environments.
Advantages
The Monolith offers pure sine wave output to minimize harmonic distortion and protect sensitive equipment such as computers, audio devices and medical or measurement instruments. Integrated inverter, UPS and charger functions reduce the need for separate components and simplify installation. The LCD display gives clear feedback on input voltage, output load, battery status and operational modes, enabling easy monitoring and configuration. Available power options let users choose an appropriate capacity for intended loads, and the unit includes protections against overload, over-temperature and short circuit for safer use.
Подходит для
 Backup power for home computers and networking equipment
 Power supply for office workstations and peripherals
 Running audio/visual equipment without interference
 Supporting small medical or laboratory devices that require a clean waveform
 Off-grid or mobile setups powered from a 12V battery bank
Key specifications
 Input: 12V DC battery supply
 Output: 230V AC pure sine wave
 Available continuous output power: 1000W or 2000W
 Built-in LCD for status and settings display
 Functions: inverter, uninterruptible power supply (UPS), battery charger
 Protections: overload, short circuit, over-temperature
 Automatic switchover to battery backup on mains failure
How to use
Install the unit in a well-ventilated location and connect it to a 12V battery bank following the manufacturer’s polarity and cable size recommendations. Connect the 230V AC output to the devices you intend to power, observing the total power draw relative to the chosen 1000W or 2000W model. Configure charging parameters and operational modes via the LCD menu according to the battery type and application needs. Test the automatic switchover function under controlled conditions to confirm correct backup operation.
Usage recommendations
Use appropriately sized battery capacity and quality connection cables to ensure reliable operation. Avoid exceeding the continuous output rating and allow adequate ventilation to prevent thermal shutdown. Regularly check LCD status messages and perform battery maintenance recommended by the battery manufacturer to maintain backup readiness.
QOLTEC Pure Sine Wave Monolith 12V→230V 1000W / 2000W with LCD is intended for users who require a compact, combined inverter/UPS/charger solution that supplies clean AC power for sensitive electronics and provides managed battery charging and backup functionality.

## FAQ

### How much does the Inverter/UPS/Charger QOLTEC Pure Sine Wave cost, and is it available for purchase?

The price is 248.60 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 06.07.2026 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 Inverter/UPS/Charger QOLTEC Pure Sine Wave be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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

## Image

https://aio.lv/img/cache/product/11677615/66997024_large.webp