Very nice, clean design. Is there a mod that measures resistance? Then you can build whatever you want, measure it, try it out, or use a coil calculator. It can be easily used. Maybe the coil you are using now, e.g. 1.3 Ohm, is around 12-13.5 watts by default, but you only use it at 9.5-10w. Since you can’t adjust it, there are 2 options: 1. You get used to it being a bit stronger, or 2. You build a coil with higher resistance. In MTL, a battery will surely last 2-2.5 days, but you don’t know the limit of its power. This is why a protected battery is recommended. Since there is no regulation, it drains the battery’s power to the extreme. You feel where the limit is, but you have to experience it a lot. 10 out of 10 dentists and plastic surgeons recommend using a protected battery. 
7 Likes