SUNPOK hybrid solar inverters integrate inverter, MPPT charge controller and UPS backup function in one unit, perfectly compatible with LiFePO4 and sodium-ion batteries. Boasting ultra-high energy conversion efficiency, they support seamless switch between grid-connected and off-grid modes without power interruption. Built-in multi-layer safety protection against overload, short circuit and overheating, with remote WiFi/Bluetooth real-time monitoring and multi-machine parallel expansion. Widely applied to residential whole-house solar self-consumption, villa power backup and small commercial photovoltaic storage systems.