... product can be widely used in solar generator systems,connected with solar panels,solar inverter,and battery,will give you ... LED indicates wrong·Input & output isolation·Muti-protection function·USB output port: 5V 500mA·Built-in Cooling Fan ... OR Pure sine waveNo load current<1AInput voltage of solar controller from solar panelDC18V OR DC33V OR DC61VSolarChargeControllerBattery Charger Output ...