Combined great holder by @jvolk with multiconnect as a first project in Tinkercad.
Wanted to have the batteries at an angle so the space above them is usable. The angle is similar to the charger (have to attach it too - in progress).
The batteries are 3 grids wide in opengrid and 2 batteries fit great side by side.
Removed the lock as the weight of the batteries is enough to hold them in place.
I printed it in grey Soleyin Ultra PLA with 3walls/20% Adaptive cubic infill and they seem solid. Print in the original model orientation.
I'm using the self expanding snaps from https://www.printables.com/model/1294247-opengrid-self-expanding-snap
The author remixed this model.
added multiconnect, angled