YN460 II on external power

I couldn't sleep, so I took a PH00 screwdriver and  started experimenting if an YN460 II flash can be powered by 230V mains.
A 2.2A 6V wall wart seems to work just fine.
I guess I'll get another such wall wart, some power-sockets and switches to switch between external power and battery on monday, then modify both my flashes.
There also seems to be enough space in there to integrate my 4 channel RF remote triggers directly into the body of these.

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