>Bypass charging function. >The max charging current can be 190A for IVQM5048 and 150A for IVQM3024. >Wide range of AC input voltage: the range of AC input voltage can be 90-280V. >Electricity and battery priority is optional >50/60HZ compatible. >Intelligent: Intelligent adjustment of over-discharge voltage; intelligent cooling fan >it can communicate with our MPPT.