For three-phase residential houses and small commercial buildings, HINEN provides Max-high voltage and Pro 20 solutions. Users can take smart control of power through the cloud platform, improving the self-consumption rate. Photovoltaic power will be converted to power the appliance while the excess energy can be stored. The solutions allow excess power to be sent back to the grid, reducing electricity bills. When there is power outage, they can provide reliable power to appliances.