# Power inverter QOLTEC 51923 pure sine wave 3000W continuous 6000W peak

**URL:** https://aio.lv/en/product--qoltec-51923--10841555
**Data updated:** 2026-02-13 15:37 (EET)
**Category:** Power Inverters
**Manufacturer:** QOLTEC
**Manufacturer code:** 51923
**EAN:** 5901878519234
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 262.49 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 216.93 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--qoltec-51923--10841555

## 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 | 5.72 EUR |

## Summary description

Pure sine wave power inverter QOLTEC 51923 converts DC battery power to stable AC output for household and mobile use. Rated 3000W continuous power with 6000W peak, it supports sensitive electronics, tools and appliances requiring clean sinusoidal voltage. Ideal for off-grid systems, RVs, boats and backup power, it provides reliable AC supply and protects devices from interference.

## Long description

Pure sine wave power inverter QOLTEC 51923 converts DC battery power into stable AC output suitable for household and mobile applications. With a rated continuous output of 3000W and a peak capacity of 6000W, this inverter supplies clean sinusoidal voltage required by sensitive electronics, power tools and household appliances. Designed for off-grid setups, recreational vehicles, boats and backup power systems, the device offers regulated AC output and built‑in protections to reduce the risk of damage from voltage fluctuations and transient events.
Advantages
The QOLTEC 51923 provides true sine wave output for compatibility with computers, audio/video equipment, medical devices and other electronics sensitive to waveform distortion. Its 3000W continuous rating and 6000W surge capability support motor-starting loads and short-term peak demands. The inverter integrates standard protection features such as overvoltage, undervoltage, overload and short-circuit protection, and thermal management to ensure reliable operation under varying conditions.
Suitable for
Powering sensitive electronics (computers, TVs, audio systems)
Running power tools and appliances with high start-up current
Use in RVs, caravans and motorhomes for off-grid AC supply
Marine applications on boats and yachts
Backup power for home systems during outages
Key specifications
Output waveform: pure sine wave
Continuous power: 3000W
Peak (surge) power: 6000W
Input: DC battery voltage (nominal vehicle/standby battery compatibility)
Output: AC voltage suitable for household appliances (standard mains frequency compatibility)
Protection features: overvoltage, undervoltage, overload and short-circuit protection, thermal protection
Cooling: built-in thermal management (fan-assisted or passive depending on load)
Mounting: suitable for fixed installation in vehicles, boats or stationary systems
How to use
Connect the inverter to a suitable DC battery bank using appropriately rated cables and connectors, observing correct polarity. Place the unit on a stable, ventilated surface and ensure adequate clearance for cooling. Connect AC loads to the inverter's AC outlets or hardwired output terminals as specified in the product manual. Start with lower-power devices to verify correct operation before connecting heavier loads. Monitor the inverter indicators for status and fault notifications and follow the manufacturer's guidance for safe operation.
Usage recommendations
Use appropriate battery capacity and cabling to handle the continuous and peak currents of the inverter. Maintain battery state of charge within recommended limits to avoid frequent undervoltage shutdowns. Allow adequate ventilation and avoid placing the inverter near heat sources or in sealed compartments. For critical or continuous high-power applications, consider parallel or generator-backed configurations and consult the product manual for detailed wiring and safety instructions.

## FAQ

### How much does the Power inverter QOLTEC 51923 3000W pure sine cost, and is it available for purchase?

The price is 262.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 297 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 Power inverter QOLTEC 51923 3000W pure sine 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/10841555/60192691_large.webp