Replying to myself- it's become my experience that If there isn't a
visible way to open something you will probably not find an easy fix
inside the product if you bust it open
It's not open it with the screwdriver if there is not a visible screw!
You get the power from a cord, (and USB to micro USB will do! Then plug
the USB side in to a block that plugs to the wall. There is no battery
compartment you will forever ruin yo...