I have 12v on on side of my Pondtoon and 24v on the other. Instead of running power wires for 12v on the 24v side, I am gonna add this dc/dc converter. I usually build one (24 to 12 dc/dc/) from an lm7812, but this is cheeeeep.
Waterproof DC DC Converter Regulator 24V 12 40V Step Down TO 12V 60W 5A | eBay
