In our shop we have been looking for ideas for charging station for V5 Joystick Controllers that would be easy to use. One idea my students had was to have a tabletop charger next to where they worked. Seemed like a good approach. Well seems others have thought the same thing and this solution using mag USB cables:
https://makerworld.com/en/models/1474702-vex-v5rc-robot-controller-charging-stand#profileId-1538976
Not our design, but nice execution!