Please note this guide is for v1 Gecho (made in 2018 and earlier), in v2 the box is removable and requires no assembly.
Got the box? That's great!
If your Gecho board also requires some soldering, please follow this guide first.
Drilling holes for wires
If you find it handier to drill from the battery side, it is a good idea to put some thick cardboard between the lid and rest of the box, to not damage the lid. Or do it other way round, and put a cardboard under the box, to not damage the table.