I recently purchased a new authentic jd tech scorpion x mod that takes a 26650 battery because I heard this things hits hard. I also bought 2 brand new efest batteries and a ud Tibet and a kayfun clone. Both are 30 mm and fit nicely. The problem I'm having is I can't get these to hit hard at all. Both have my normal builds with 26 gauge wire and read about .7 ohms. They fire up but barely produce any vapor. Any help is appreciated. Thanks in advance