DC 6V-40V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB 9V / 12V / 24V / 36V

DC 6V-40V To 5V 3A Double USB Charge DC-DC Step-down Converter Module For Vehicle Charger LM2596 Dual USB 9V / 12V / 24V / 36V

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