2X DC-DC 12V 24V 36V To 5V 5A Step Down Board 4 USB Buck Converter Power Supply

32 ~ 36V Input: Output 5.2V / 3.5A / 18W. 24 ~ 32V Input: Output 5.2V / 5A / 25W. Why the output is 5.2V instead of 5V?. 9 ~ 24V Input: Output 5.2V/ 6A / 30W. 2: with input reverse protection, output short circuit protection;.

eBay