Snap-fit Bike Stem Mount for Anker PowerCore 5000 / PowerCore+ mini

Snap-fit connected mount system for battery on bike stem, with cable bundler.
Use cable ties to fix parts to stem and battery. Use rubber sheet or other to prevent slip.

Each battery adapter STL file includes 4 different fit pins. Test which of them is the best fit.
https://www.youtube.com/watch?v=cgwi01a1gqs

iPhone holder for garmin mount: https://www.thingiverse.com/thing:3117917

snap-fit connector things:
https://www.thingiverse.com/CyberCyclist/collections/snap-fit-connector-thin