# Voltage converter KEMOT 400 W / 500 VA (power inverter) for converting DC to AC

**URL:** https://aio.lv/en/product--kemot-lec-urz3421--11131323
**Data updated:** 2026-03-07 18:16 (EET)
**Category:** Power Inverters
**Manufacturer:** KEMOT
**Manufacturer code:** LEC-URZ3421
**EAN:** 5901890046800
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 46.49 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 38.42 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kemot-lec-urz3421--11131323

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

KEMOT voltage converter 400 W / 500 VA is a compact power inverter designed to convert DC battery power into AC mains-like output. With rated output 400 W and peak 500 VA, it is suitable for powering small appliances, chargers and electronics from a vehicle or off-grid battery. Provides basic protection and stable AC output for mobile and emergency use.

## Long description

The KEMOT 400 W / 500 VA voltage converter is a compact power inverter that converts DC battery voltage to an AC mains-like output. Designed for mobile and off-grid use, this inverter delivers a continuous rated output of 400 W and a short-term peak capacity of 500 VA, allowing operation of small household appliances, chargers and electronic devices from a vehicle battery or other 12 V DC source. The unit provides a stable AC waveform suitable for basic electronic loads and includes fundamental protections to reduce the risk of damage from common fault conditions.
Advantages
This KEMOT power inverter offers a lightweight, space-saving design that is easy to install and move between vehicles or temporary installations. With 400 W continuous output and 500 VA peak capability it supports a wider range of small appliances and charging equipment than lower-power inverters. Built-in protection features such as overload protection, short-circuit response and thermal shutdown help preserve both the inverter and connected devices. The inverter produces a reliable AC output for routine mobile power needs.
Suitable for
Charging laptops, phones and small electronics from a 12 V battery
Powering small household appliances such as LED lamps, small fans or electric razors
Temporary or emergency power for communication equipment and portable devices
Mobile use in cars, vans, camping and outdoor activities
Key specifications
Continuous output power: 400 W
Peak (surge) capacity: 500 VA
Input: 12 V DC (vehicle/battery)
Output: AC mains-like voltage suitable for small appliances and chargers
Protections: overload, short-circuit response, thermal shutdown
Form factor: compact, portable inverter housing
How to use
Connect the inverter to a suitable 12 V DC battery or vehicle power outlet following the polarity markings and secure connections to avoid loose contacts. Place the unit on a stable, ventilated surface and ensure adequate airflow around the housing to prevent overheating. Plug the AC device into the inverter output and switch the inverter on. Monitor the load to stay within the 400 W continuous limit and avoid sustained operation near the peak rating. If the inverter indicators or protection circuits activate, disconnect the load and allow the unit to cool before attempting to restart.
Usage recommendations
For reliable operation, use the inverter with batteries that are in good condition and have sufficient capacity for the intended runtime. Avoid powering high-startup-current appliances (such as large motors, pumps or compressor-based devices) that exceed the inverter's peak capacity. Maintain ventilation, avoid exposure to moisture and follow vehicle battery safety practices when connecting and disconnecting the inverter.

## FAQ

### How much does the KEMOT voltage converter 400 W / 500 VA cost, and is it available for purchase?

The price is 46.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 43 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 24.07.2026 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. All transactions are 100% secure and encrypted.

### 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/11131323/68540788_large.webp