Multifunctional inverters combining the functions of inverter, solar charger and battery charger to offer uninterrupted power support with portable size. The comprehensive LCD display offers user configurable and easy accessible button operation such as battery charging, AC/solar charging and acceptable input voltage based on different applications. Features 1) Auto restart while AC is recovering 2) Smart settable three stage MPPT charging for optimized battery performance 3) A multifunctional inverter combining functions of inverter, solar charger and 4) battery charger to offer uninterrupted power support with portable size supporting WiFi monitoring and built-in 2 strings of MPP trackers