Amazon.co.jp: A buck type voltage converter, power supply transformer AC 220 V input voltage to 12 V / 24 V output voltage (24 V) : Industrial & Scientific
72W Car Converter DC 5~22V to 6~24V 3A Boost Power Supply Module/
Синосоида Ac Dc Converter | 220v 3.3v 5v 12v Power Supply - Switching Power Supply - Aliexpress