# KEMOT PROsinus-800 Emergency Power Supply Converter, 12V to 230V, 800VA/500W, Pure Sine Wave

**URL:** https://aio.lv/en/product--kemot-urz3409--11049339
**Data updated:** 2026-06-02 20:08 (EEST)
**Category:** UPS
**Manufacturer:** KEMOT
**Manufacturer code:** URZ3409
**EAN:** 5901890019026
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 91.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 75.61 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kemot-urz3409--11049339

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.89 EUR |
| Courier delivery to door | 08.07.2026 | 5.83 EUR |

## Summary description

The KEMOT PROsinus-800 is a wall-mounted emergency power supply converter designed to provide a stable pure sine wave output. With an 800VA/500W capacity and 12V to 230V conversion, it is ideal for powering sensitive electronic devices during power outages. It features an integrated battery charging function, ensuring reliable backup power for home or office equipment when the main grid fails.

## Long description

The KEMOT PROsinus-800 is a reliable wall-mounted emergency power supply converter designed to maintain continuous operation of sensitive electronic equipment during power grid failures. By converting 12V DC battery power into a stable 230V AC pure sine wave output, this device ensures that connected appliances function safely and efficiently without the risk of interference or damage caused by modified sine waves.
Advantages
The primary benefit of the KEMOT PROsinus-800 is its pure sine wave output, which mimics the quality of standard utility power, making it perfectly safe for sensitive electronics such as pumps, controllers, and computers. The integrated automatic battery charging system simplifies maintenance by keeping the connected battery ready for use at all times. Its wall-mounted design saves valuable floor space, while the clear display provides essential information about the current operating status and load levels.
Suitable for
Central heating pumps and furnace controllers
Home office equipment and computers
Small household appliances
Emergency lighting systems
Security and surveillance equipment
This device may not be suitable for high-power industrial machinery or appliances that exceed its 500W continuous power rating. It is also not intended for use as a long-term primary power source, as its runtime is strictly limited by the capacity of the connected external battery.
Key specifications
Output power: 500W (800VA)
Waveform: Pure sine wave
Input voltage: 12V DC
Output voltage: 230V AC
Integrated battery charger
Wall-mountable design
To use the device, connect a compatible 12V external battery to the input terminals, ensuring correct polarity. Plug your electronic devices into the AC output socket on the front panel. Once connected to the main grid, the device will automatically monitor the power supply and switch to battery mode instantly if a blackout occurs, while simultaneously managing the battery charge level.
What to consider before purchase
Ensure your external battery capacity is sufficient for your required backup duration
Verify that the total power consumption of your devices does not exceed 500W
Confirm that the installation location allows for proper ventilation
Check that the input voltage of your battery matches the 12V requirement
For optimal performance and longevity, use a deep-cycle battery and ensure the device is installed in a dry, well-ventilated area away from direct heat sources.

## FAQ

### How much does the KEMOT PROsinus-800 Emergency Power Supply Converter cost, and is it available for purchase?

The price is 91.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 120 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 03.07.2026 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 KEMOT PROsinus-800 Emergency Power Supply Converter 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/11049339/65889539_large.webp