AITIAO DC 6-30V USB Buck Converter 12V 24V to 5V 9V Step Down Regulator Dual USB Port Fast Charger Board Auto Power Supply Adapter

【12V to 5V Buck Converter】 Input voltage:DC 6-30V; Output voltage default 5V, after triggering quick charging, it will automatically adjusted at

ACEIRMC 5pcs USB Buck Converter DC-DC Step Down Module 6-32V 12V 24V to 5V QC 3.0 Charging Module Power Supply Voltage Regulator Volt Transformer Board : Electronics

9V DC Regulators - RobotShop

USB 2-Port Charging Auto Buck Converter DC 6-30V 12V 24V to 5V 9V Step Down

UCTRONICS DC 9V 12V 24V to DC 5V 5A Buck Converter Module, 9-36V Step Down to USB 5V Transformer Dual Output Voltage Regulator Board [2 Pack] : Electronics

DC 30V to 5V Buck Converter Mini Voltage Regulator Board DC 6-30V Step Down to 5V 9V 12V 3A Power Supply Stabilizer Module - AliExpress

9V/12V/24V to 5V Buck Converter QC2.0 QC3.0 USB Fast Charging Power Supply

MakerHawk 4pcs USB DC-DC Voltage Buck Regulator Step Down Power Supply Module 9V 12V 24V to 5V Dual USB Output Buck Voltage Board 3A 6-26V Car Charge Charging Regulator : Electronics

Dual USB Charging Module

DC 30V to 5V Buck Converter Mini Voltage Regulator Board DC 6-30V Step Down to 5V 9V 12V 3A Power Supply Stabilizer Module - AliExpress

ACEIRMC 2pcs Buck Converter 12V to 5V 5A USB Voltage Regulator DC 9V-36V Step Down to DC 5V-5.3V 5.2V 3.5-6A Volt Transformer Power Supply Module

UCTRONICS DC 9V 12V 24V to DC 5V 5A Buck Converter Module, 9-36V Step Down to USB 5V Transformer Dual Output Voltage Regulator Board [2 Pack] : Electronics