1x5 Gridfinity bin for an Anker Astro E3 second generation power bank. The slot for the power bank is 168mm x 23mm.
Modeled in Onshape, source here: https://cad.onshape.com/documents/abd8dd77b84417613549c722/w/0c68995b8ca20f2b7d772d2f/e/d0c90d131ccfb75a4e70daf1