QSKJ DC-DC Adjustable Step-down Buck Converter XL4016 200W

A powerful step-down converter, for example to lower your 24V battery to 12V.
In addition, this DC-DC converter also has a current limiter built in which is adjustable with a potentiometer.

The maximum output current can be increased by turning the potentiometer on the OUT-side clockwise. The output voltage can be increased by turning the potentiometer on the IN-side clockwise. 

Note: If you want to convert more than 100W, a fan is required. This must be able to keep the temperature below 85 °C.
It can also happen that the converter is placed in a warm/hot room. This means that a fan may be needed even if you convert less than 100W.
The temperature must in any case be controlled within the above range.

Note: The potentiometer is multi-ply. So it may take some time before you reach the desired voltage. The potentiometer can rotate around 25x from start to finish.