This is my version of the Batterie Bin & Lid system with a single magnet in the middle of each part.

I have added some inserts for different battery types.

• AA-Battery-Bin   (up to 10 batteries)
• AAA-Battery-Bin   (up to 18 batteries)
• CR-Battery-Bin    (up to 24 batteries)
• 9V-Battery-Bin    (up to 5 batteries)

The Magnets are 6mmx2mm. For those of you who don't want to use magnets, just "fix" the model and there will be no place to put a magnet.

lid

https://www.printables.com/model/1076184-gridfinity-lid-for-bins

Attention 

There is a modified lid for the AA batteries because they are a little to high for the standard bin with x9 height