Voltage converter Monolith/battery charger/UPS/300W/600W/12V to 230V/Pure Sine Wave QOLTEC 51940
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Sales unit dimensions and weight: 1 pcs
Voltage converter Monolith/battery charger/UPS/300W/600W/12V to 230V/Pure Sine Wave QOLTEC 51940
The Qoltec Monolith converter is a versatile device combining the functions of a voltage converter, battery charger, and UPS power supply. It is perfect for anywhere access to a standard power grid is limited – during travel, camping, on a boat, and also as an emergency power source at home. The device converts 12V DC to 230V AC, providing a stable current with a pure sine wave, safe for sensitive electronic devices.
The converter offers a continuous power of 300W and a peak power of 600W (for 5 seconds), allowing you to power a wide range of devices. The built-in mains socket compatible with European plugs and a USB port increase its functionality and convenience. Additionally, the device comes with a complete set of fuses and cables, making installation easier and ensuring safety.
Versatility and functionality
The Monolith converter is not only a power source – it is a comprehensive solution for people who value independence and safety. Thanks to the UPS function, in the event of a power failure, the device automatically switches to battery power, ensuring the continuity of operation of connected devices. The ability to charge the battery when connected to the mains makes the converter ideal for both stationary and mobile use. A clean sine wave guarantees compatibility with most electronic devices – from RTV and household appliances to computers and power tools.
Application and safety
The device is particularly useful during:
- Travel: Powering a laptop, phone or camera in a car, while camping or on a yacht.
- Power outages: Maintaining the operation of essential devices, such as a refrigerator or central heating boiler.
- Working in places without access to the grid: Powering electric tools on construction sites or during field work.
The converter is equipped with a number of protections – against undervoltage and overvoltage (UVP/OVP), overload (OCP), short circuit (SCP) and overheating (OTP) – which guarantees safety for both the device and the equipment connected to it. The housing made of high-quality aluminum ensures durability and resistance to mechanical damage.

