A powerful multi-functional device that combines an inverter, a charger and an automatic switch between power sources to ensure uninterrupted power supply. It operates at 48V and provides a maximum output power of 5000VA, which allows it to power large consumers. Thanks to two independent chargers, the Quattro can charge two battery banks simultaneously, ensuring high efficiency and reliability. The device also supports automatic switching between mains and off-grid mode, ensuring uninterrupted power supply even in the event of power outages.