I am new to this forum and have searched through the archives but don't think I'm finding the exact answer to my question, maybe I'm missing something? I bought a system 2 weeks ago. Protank 2 with an Ego Twist battery. Today, the system had a horrible taste, like I burnt the wrong end of a cigarette. I put the battery on a different tank and got the same taste and put the tank on a different battery and got the same taste. Did I burn out both parts of my unit? The Kanger Protank has a 2.5 coil and the Ego Twist goes from 3.2 (I think) to 4.8. I know the Protank is best suited for 4.1, so rarely but it above there. I'm going to replace the system, but don't want this to happen again. What didi I do? Did I blow out the coils and the battery at the same time?