An 100v 30a solar charge controller will have a maximum solar open circuit or voc voltage input of 100v and a maximum charging current of 30 amps. These stages are meant to protect the battery from overcharging overloading short circuiting and reverse polarity. This item hompie 30a solar charge controller intelligent solar panel regulator 12v 24v 360w 720w pwm for solar power panel energy system street lighting system and environment monitor etc bluefire lcd digital display 30a solar panel regulator charge controller 12v 24v 360w 720w with dual usb. 
				
			
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