I got myself a mech, when I wasn't really even looking for one, just because it was so good looking. At least to me it was. I then got lectured by certain parties on here who shall remain nameless (because I don't remember their names) that mech mods are not for beginners like me and are only for the experienced elite among the vaporati, the implication being that I was a snot-nosed young upstart who had no business owning a mech.
Well doods, I still have my mech and I still love it and I've not had a single problem with it so there! Neener neener neeeeeeeener!
A couple of observations about mechs, your voitage/wattage is pretty much nailed down to the power curve of your battery over the duration of it's charge, so your control is in winding your coils to an ohms resistance target. I wind my coils with a target goal of 1.8 ohms, others have different preferences.
You can put what's called a "kick" in your mech, and this is a little round circuit board thingy with an eentsy weentsy little dial on it you set with an itty bitty screw driver to dial in the watts you want to vape at, and this gizmo sits in your mech tube atop your battery.
At this point it's not *technically* a mech anymore, and you are open to criticism from the purists, which should not concern you at all as it's YOUR device in the first place, and they are a bunch of egotistical fatheads anyway.
Your battery has to be an unprotected battery, or the kick will not work and your mech will not fire.
This is because battery protection is built into the kick and so the redundancy of protection between the battery's and the kick's cancel each other out and the whole rig just goes stupid and will not work, which I get no kick out of at all.
So if you are going to use a kick get unprotected batteries.