2000W 220V AC SCR Voltage Regulator Dimmer Module Features Resistance materials: metal and plastic Triac: Tm883s Input voltage: AC 220V

300W 20A DC-DC Buck Converter Step Down Module Constant Current LED Driver Power Step Down Voltage Module Electrolytic Capacitor Features

DC-DC 5A Digital LED Drive Lithum Battery Charger Module CC/CV USB Step Down Buck Converter With Voltmeter Ammeter 1.When you

Description A boost converter (step-up converter) is a DC-to-DC power converter that steps up voltage (while stepping down current) from