... 20 pcs 200w solar panels paraller connection.3. Inverter input voltage range: DC22~60V4. This system don't ... ~260VAC output frequency46~65HzTHD<5%Power factor0.99DC input voltage range22~60V DCPeak inverter efficiency92%Standby power ... Outlook, Input voltage, Output voltage, Frequency, Protection functions(short circuit, overload, over temperature, low battery,.) and so on.WarrantyWe provide ...