CR2032 adapter for Pokemon Go+ on powerbank (non-destructive)

A CR2032 "adapter" i created to run my Pokemon Go Plus off a powerbank instead of feeding it daily a new CR2032, cheaper and more sustainable.
This can of course be used for other devices using CR2032 batteries-
The negative (-) pole is featuring a recess for fitting a standard M5 (?) washer 5.3mm x 19mm x 1mm and a through-hole for the lead.
The positive contact is on the outer edge of the adapter where i use some thin metal sheet (approximately 0.1m x 2mm x 64mm) in this case i used what i had on hand, some strip sheet commonly used for connecting 18650 Li-ion battery packs.
These are connected with micro buck converter set to 3.3V, which in turn is connected to an old USB cable for the 5V supply.

The Pokemon Go plus does not draw enough power on its own to keep most power banks running, so it is best used with a dual outlet so you charge your phone at the same time to keep the power on.

I have been using it for about a week and though a bit crude, it works perfectly so far.
I printed one of the Pokemon Go Plus cases for an extra back lid, as the original lid is way too tight to fit the leads,but botched the whole thing as i had already soldered everything together already, and a small hole was not enough to get the leads through. (duh!)