Specifications: Pure sine wave inverter Built-in mppt solar charge controller and battery charger Selectable input voltage range for home use Selectable charging current based on applications Configurable ac/solar input priority via lcd setting Compatible to mains voltage or generator power Auto restart while ac is recovering Overload and short circuit protection Smart battery charger design for optimized battery performance Cold start function Parallel operation with up to 6 units only available for 4000kva and 5000kva model