... % > Muti MPP controller > Transformerless H6 topology > MTL-String > Bluetooth technology Growatt 3600MTLGeneral DescriptionsLeading-Edge Technology> Maximum efficiency of 97.9 % and ... -2 ,EN61000-6-3,EN61000-6-4AS4777, AS/NZS 3100 Growatt 3600MTL grid tied inverter