https://www.printables.com/model/769060-arduino-16340-battery-case
Arduino + 16340 Battery Case by Sebastian | Download free STL model | Printables.com
I created a small and basis Arduino case which also holds a 16340 battery and has some room left for sensors. | Download free 3D printable STL models
16340 battery
https://16340.com/
Exploring the Bright Horizon of 16340 Battery Innovations
the bright16340 batteryexploringhorizoninnovations