10/20/30a 12v 24v auto dual usb solar panel charge controller battery charger adapter lcd - 30a

build-in industrial micro controller. big lcd display,all adjustable parameter. fully 3-stage pwm charge management. build-in short-circuit protection,open-circuit protection,reverse protection,over-load protection. dual usb output,the maximum current of 2.5a,to support mobile phone charging. dual mosfet reverse current protection,low heat production.