If you want to make something to fit a jerry can then you might want to check this out:
Thanks for your response!
Yes that would be a very simple a fun little project to do indeed,
i have seen many diy variations on that.
If i go the 12V way i will just follow that example.
For now i ordered the plug and play 5V watertap, and see if i can fit it to my jerrycan.
If that's not working to well i will make a 12V setup like in the video or just ditch the whole plan
and keep it stupid simple without the electric goodies as that has always worked so far.
Thanks and safe travels!
Steve.