anicorn DC-DC Buck Boost Converter,Regulator CC CV 0.5-30V 0-4A Adjustable Regulated Power Supply Module DIY Solar Battery Charging Module LCD Display ZK-4KX 1 Pack

CNC adjustment, accurate and fast, can boost and lower voltage, output voltage can be adjusted at will from 0.5 -30v, limit current 0-4a can be adjusted at will;; LCD can display input/output voltage, output current/output power/output capacity/output time; The module can be set to open/close by default; The output terminal is anti-backflow, and there is no need to add an anti-backflow diode when charging the battery.; Input under-voltage protection ( 4.8 -30V adjustable, default 4.8V ); Output over-voltage protection ( 0.5 -31V adjustable, default 31V); Output over-current protection (0- 4.1A adjustable, default 4.1A )

; Over-power protection (0-50W adjustable, default 50W); Over-temperature protection (80-110 adjustable, default 110); Timeout protection (0-100h adjustable, OFF by default); Over-capacity protection (0-60Ah adjustable, OFF by default).