A multi-functional device that combines an inverter, a charger and a high-speed switch for continuous power. It works with a constant voltage of 48 V and provides uninterrupted power with a maximum power of 8000 VA, which allows you to connect powerful consumers of electricity. The device has intelligent management to optimize energy consumption and can also be used for parallel operation with other devices to increase total capacity or redundancy. MultiPlus-II supports the function of automatic switching between the grid and standalone modes, ensuring the reliability and stability of the energy supply even in conditions of power supply interruptions.