# Power inverter KEMOT PROsinus-500 500VA 12V to 230V with charging function

**URL:** https://aio.lv/en/product--kemot-urz3404b--4805513
**Data updated:** 2026-06-25 19:50 (EEST)
**Category:** Power Inverters
**Manufacturer:** KEMOT
**Manufacturer code:** URZ3404B
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 103.95 €
**Prices and availability valid until:** 2026-07-27 23:59
**Price without VAT (21%):** 85.91 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kemot-urz3404b--4805513

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

KEMOT PROsinus-500 is a 500VA power inverter that converts 12V DC to 230V AC and includes an integrated charging function. Designed to power household appliances and electronic devices from a 12V battery, it offers a compact solution for mobile, caravan, and backup use. The unit is suitable for small loads and provides convenient battery charging when shore power is available.

## Long description

The KEMOT PROsinus-500 is a reliable power inverter designed to convert 12V DC battery power into a stable 230V AC output. Featuring a pure sine wave signal, this device ensures that sensitive electronic equipment operates smoothly without interference. The unit also includes an integrated battery charging function, allowing it to serve as a comprehensive power management solution for various applications.
Advantages
This inverter provides a clean, sinusoidal output voltage, which is essential for the safe operation of modern household appliances, pumps, and sensitive electronics. Its dual-purpose design eliminates the need for a separate battery charger, as the device automatically manages the charging process when connected to a 230V mains supply. The compact construction makes it an ideal choice for installations where space is limited, while the robust build quality ensures consistent performance during power outages or off-grid operation.
Suitable for
Powering household appliances like refrigerators or small pumps
Providing backup power for central heating controllers
Operating electronic devices in caravans and motorhomes
Maintaining power for lighting systems during grid failures
This device may not be suitable for high-power appliances that exceed its 300W continuous output capacity, such as electric kettles, heaters, or heavy-duty power tools. It is specifically engineered for low-to-medium load applications and should not be used with equipment requiring high surge currents beyond its rated limits.
Key specifications
Output power: 500VA / 300W
Input voltage: 12V DC
Output voltage: 230V AC
Waveform: Pure sine wave
Integrated charging function included
To use the KEMOT PROsinus-500, connect the unit to a compatible 12V battery using appropriate cables, ensuring correct polarity. Connect your 230V appliances to the output socket on the front panel. When grid power is available, connect the inverter to a wall outlet to utilize the built-in charging function, which will maintain the battery level automatically.
What to consider before purchase
Ensure your battery capacity is sufficient for your intended runtime
Verify that the total wattage of your appliances does not exceed 300W
Check that the installation area is dry and well-ventilated
Usage recommendations
Always ensure the inverter is placed on a stable, non-flammable surface and keep the ventilation openings clear of obstructions to prevent overheating during operation.

## FAQ

### How much does the Power inverter KEMOT PROsinus-500 500VA cost, and is it available for purchase?

The price is 103.95 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 Thursday 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 KEMOT PROsinus-500 500VA 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 KEMOT 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 KEMOT 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/4805513/51547254_large.webp