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header-product Qoltec Pure Sine Wave Power Inverter 12V to 230V, 4000W/8000W, USB, LiFePO4/GEL/AGM Compatible
571.49 €

Qoltec Pure Sine Wave Power Inverter 12V to 230V, 4000W/8000W, USB, LiFePO4/GEL/AGM Compatible

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Qoltec Pure Sine Wave Power Inverter 12V to 230V, 4000W/8000W, USB, LiFePO4/GEL/AGM Compatible

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Qoltec Pure Sine Wave Power Inverter 12V to 230V, 4000W/8000W, USB, LiFePO4/GEL/AGM Compatible

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Short description

The Qoltec Pure Sine Wave power inverter converts 12V DC to 230V AC with a continuous power of 4000W and a peak power of 8000W. Featuring a built-in USB port, it is designed for reliable power supply in off-grid systems. It is fully compatible with LiFePO4, GEL, and AGM batteries, making it an ideal solution for powering sensitive electronic devices in vehicles, campers, and solar installations.
Available at price 571.49 €: 39 pcs.
Total available for order: 80 pcs.
Warranty: 2 Years
SKU: 12429023
Manufacturer: QOLTEC
delivery
to the Customer Service Center at Kengaraga 2b, Riga
20.07.2026 {{selectedOffer.officeDeliveryString}}
free
Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
20.07.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
23.07.2026 {{selectedOffer.courierDeliveryString}}
From 53.99 € (Weight: 33.30 kg)
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All payment Methods:
Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 15.87 euros per month
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Product information

Description

The Qoltec Pure Sine Wave power inverter is a high-performance device designed to convert 12V DC battery power into 230V AC electricity. With a continuous output of 4000W and a peak capacity of 8000W, this inverter provides a stable and clean power supply, identical to that found in standard household outlets. It is engineered to support various battery types, including LiFePO4, GEL, and AGM, ensuring versatility for diverse energy storage setups.

Advantages

This inverter offers exceptional reliability by delivering a pure sine wave, which is essential for the safe operation of sensitive electronic equipment. The robust design ensures consistent performance even under heavy loads, while the integrated USB port provides a convenient way to charge mobile devices directly. Its compatibility with modern battery technologies like LiFePO4 makes it a future-proof choice for advanced solar and off-grid power systems.

Suitable for

  • Off-grid solar power installations
  • Powering sensitive electronics in campers and motorhomes
  • Emergency backup power systems for vehicles
  • Operating high-wattage household appliances in remote locations

When it may not be suitable

This device is not intended for use in systems requiring an input voltage other than 12V DC. It may not be suitable for applications where the continuous power demand exceeds 4000W or where space constraints prevent the installation of a large-scale battery bank capable of supporting such high power output.

Key specifications

  • Input voltage: 12V DC
  • Output voltage: 230V AC
  • Continuous power: 4000W
  • Peak power: 8000W
  • Waveform: Pure sine wave
  • Battery compatibility: LiFePO4, GEL, AGM
  • Additional features: Built-in USB port

How to use

To use the inverter, connect the input terminals securely to a compatible 12V battery bank using appropriately sized cables to handle the high current. Ensure the device is placed in a well-ventilated area to allow for proper cooling during operation. Once connected, switch the unit on and plug your 230V devices into the AC output sockets. Always verify that the total power consumption of your connected devices does not exceed the continuous rating of the inverter.

What to consider before purchase

  • Ensure your battery bank has sufficient capacity to support a 4000W load
  • Verify that your cabling is thick enough to handle high amperage from a 12V source
  • Check the power requirements of your appliances to ensure they fall within the 4000W limit
  • Confirm the installation space allows for adequate airflow around the cooling fans

Usage recommendations

Always prioritize safety by installing a fuse between the battery and the inverter to protect against short circuits. Regularly inspect all cable connections for tightness and signs of wear to maintain optimal efficiency and safety.

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Stock data
Warehouse Stock Delivery to the store Store Price
EU57 1 09.07.2026 571.49 €
EU58 39 20.07.2026 571.49 € Best price
WH323 39 06.07.2026 Best delivery 630.99 €
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571.49 €
Stock: 1
Delivery Date: 09.07.2026
Warehouse: EU57
571.49 €
Stock: 39
Delivery Date: 20.07.2026
Warehouse: EU58
630.99 €
Stock: 39
Delivery Date: 06.07.2026 Best delivery
Warehouse: WH323
638.49 €
Stock: 1
Delivery Date: 14.07.2026
Warehouse: WH353

Customer reviews

Customer questions

FAQ

How much does the Qoltec Pure Sine Wave Power Inverter 12V to 230V 4000W/8000W cost, and is it available for purchase?

The price is 571.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 80 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 20.07.2026 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 Qoltec Pure Sine Wave Power Inverter 12V to 230V 4000W/8000W 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 Qoltec Pure Sine Wave Power Inverter 12V to 230V 4000W/8000W 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.