DC/DC Converter
It regulates the output voltage for the controller. It can lower the stack voltage (27.5V to 48V) to 12V for the fuel cell controller and other peripheral parts.
![DCDCC DC_DC Convertor](http://static.viaaurea.eu/t/horizoneducational.com/images/1105.png/o-h:600/s-55998af38367?_ts=1585175847)
It regulates the output voltage for the controller. It can lower the stack voltage (27.5V to 48V) to 12V for the fuel cell controller and other peripheral parts.