Parameter: these usb buck module input voltage range DC 12V and output voltage default DC 5V, the maximum output current is 3A, no-load current is
10-30V to 5V 8A DC-DC 6 USB Power Converter High Power Car Power
12V to 5V USB converter: input voltage: DC8-20V, 12V changes to 5V; Output current: 3A max; No-load current: 10mA; Output power: 15W max Micro USB
DC-DC Buck Converter Module 12V to 5V Micro USB Power Adapter Compatible with Ring Alarm Keypad (1 Piece)
12V To 5V 3A 15W DC/DC Converter Regulator Waterproof CPT Car
12V to 5V Direct Current Converter Buck Module USB
DC 12V to 5V Water Proof USB Interface Converter Car Power Supply
DC 12V/24V to 5V 6A 30W Dual Type-C USB C Converter DC-DC Buck
9V/12V/24V to 5VDC-DC Step-down Car Charger USB 3A Output
12V To 5V 3A 15W DC/DC Converter Regulator Waterproof CPT Car
10-30V to 5V 8A DC-DC 6 USB Power Converter High Power Car Power
12V to 5V Converter Buck Module USB Output Power Adapter Dc Power