DC Power Supply, DC/DC Converter, Pure Sine Wave Inverter manufacturer / supplier in China, offering Support External Potentiometer Adjustable Output Voltage and Current Switching 200W 12V 24V Variable DC Power Supply, Hot Selling 12V Switching Power Supply, Low Power Consumption 110VAC 220VAC to 100V 2A 200V 1A 150W 200W 240V 360W Switching Power Supply and so on.