DC Buck Converter 9V 12V 24V 40V To 5V USB Step Down Desktop Power Supply Module Connector Out 5V 2A for mobile phone charging

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ACEIRMC 3pcs USB Buck Boost Converter 3.5V-12V to 1.2V

Dual USB Output 9V / 12V / 24V / 36V Car Charger Switch 5V DC-DC

DC-DC 5V TO 3.3V 9V 12V 24V USB Step UP / Down Power Supply Module

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DC-DC 9V 12V 24V 36V 48V 72V 84V 120V to 12V 3A Step Down Buck

Efficient DC 12V to 5V conversion for low-power electronics

DC to DC Converter 9V/12V/24V to 5V 2A/3A USB Step Down Power

Dorhea 10PCS DC-DC Converter 9V 12V 24V to 5V 3A USB

DC-DC 9V/12V/24V/36V to 5V 2A USB Step Down Converter Charger for

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Usb Power Boosterusb Step-down Power Supply Module 9v-40v To 5v

DC-DC 9V/12V/24V to 5V Step Down Regulator USB Charging Car Power