Kunlun new balcony light storage machine, integrated MPPT controller, balanced charging control function, with no battery working mode photovoltaic input voltage up to 500VDC, mains or photovoltaic priority can be set, flexible setting of charge and discharge time with photovoltaic and mains combined load function, can use WIFI or GPRS to achieve remote monitoring, Up to 9 parallel machines are possible and can be scaled up to 31.5KW. It is equipped with 5-kwH battery PACK and supports multi-stage battery PACK parallel operation.