This is the second post i’m seeing that says to solder the power button from the back. but i wish there are some pictures actually showing the back!
Question.
is the switch in use like a push button switch? just need to trigger open->closed->open for a while? what if i were to use a normal slide switch? would that work?
As Chris_McIntosh already said, there are only two holes visible on the back of the battery board! (See “J6” in the picture.) You can thread the wires through there and solder them.