LCD Digital Display Buck-Boost Power Supply Module Board Constant Voltage Constant Current Crystal Voltmeter Ammeter Adjustable Food & Beverage Input power: DC 19V 3A

Input power: DC 19V 3A

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LCD Digital Display Buck-Boost Power Supply Module Board Constant Voltage Constant Current Crystal Voltmeter Ammeter Adjustable Food & Beverage Input power: DC 19V 3AProduct Description LCD can display input and output voltage, output current output power; Anti reverse protection at the input end, reverse connection will not burn; Can be boosted, can be stepped down, output voltage 0. 5 30V arbitrary regulation, limit current 0 4A arbitrary regulation; Anti backflow at the output end, no additional anti backup diode is required to charge the battery; The button controls the ON OFF status of the output, and can be