This is a case for some generic 700W / 20A step-up-down converter from Aliexpress: https://aliexpress.com/item/1005009306142111.html

• Add support enforcers for side windows, my slicer for some reason doesn't add supports there automatically

• Two lids:

  • With holes for 0.28" voltage sensors

  • Without them

• The lid can be glued on

• Bolt holes are for M4

• Fusion360 source included