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header-product Power inverter QOLTEC 51923 pure sine wave 3000W continuous 6000W peak
262.49 €

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

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Short 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.
Available at price 262.49 €: 100 pcs.
Total available for order: 297 pcs.
Warranty: 2 Years
SKU: 10841555
Manufacturer: QOLTEC
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
06.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
09.07.2026 {{selectedOffer.courierDeliveryString}}
From 5.72 € (Weight: 6.04 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Venipak Pickup LV / Latvijas Pasts nodaļa
09.07.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.89 €
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3 mth. х 87.5 €

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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 7.29 euros per month
Together cheaper
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Product information

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.

Description

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Stock data
Warehouse Stock Delivery to the store Store Price
WH323 100 06.07.2026 Best delivery 262.49 € Best price
EU58 100 20.07.2026 276.99 €
WH355 97 15.07.2026 317.99 €
262.49 €
Stock: 100
Delivery Date: 06.07.2026 Best delivery
Warehouse: WH323
276.99 €
Stock: 100
Delivery Date: 20.07.2026
Warehouse: EU58
317.99 €
Stock: 97
Delivery Date: 15.07.2026
Warehouse: WH355

Customer reviews

Customer questions

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. 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 Power inverter QOLTEC 51923 3000W pure sine 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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.