If you have or have access to a 3D printer you may want to use the attached handy 3D script and guide to make a custom tray to store your batteries or other cylindrical objects in a compact manner.
The video guide, provided by Big Clive, gives step by step instructions together with the script for making these trays.
The video guide, provided by Big Clive, gives step by step instructions together with the script for making these trays.