Step by step

Everything we publish on step by step, gathered in one place.

21700 battery: how to fit one and check it

Fitting a 21700 battery the right way round, reading its data sheet, checking the wrap and spotting a tired cell: the full tutorial, one step at a time.

9 July 2026 · Marion Delcourt

Step by step

Geekvape coils: choosing and fitting the right one

Identify the series of a Geekvape coil, order the right reference, then fit and prime it correctly: the complete tutorial, one stage at a time.

30 June 2026 · Marion Delcourt