This is a wall mount for 2 Battery dispenser AA and 2 Batteray dispenser AAA from

https://www.prusaprinters.org/de/prints/30312-aa-battery-and-aaa-battery-dispenser/comments

The AAA dispenser is a little bit to small, if you print original then my model fits perfekt, else you have to print change my model.

I have printed in 2 Colors, the red for normal Battery and the green for rechargeable.