Features 1Buildin industrial micro controller. 2Big LCD display, all adjustable parameter. 3Fully 3stage PWM charge management. 4Buildin shortcircuit protection,opencircuit protection,reverse protection,overload protection. 5Dual mosfet Reverse current protection ,low heat production. Specification Features: 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 mosfet Reverse current protection ,low heat production. Specification: Condition: 100% Brand New Material: ABS Color: As Picture Shown Options: 10A, 20A, 30A, 40A, 50A, 60A Battery Voltage: 12V 24V Auto Solar panel voltage: 12V, 18V solar panel, 24V, 36V solar panel Float charge: 13.7V(defaul,adjustable) Discharge stop: 10.7V(defaul,adjustable) Discharge reconnect: 12.6V(defaul,adjustable) Self-consume: