Ok so I have been using my protank 2 on vv-ego battery for a while with a 2.5 ohm coil on 4.0 volts and no problems. Now I have a itaste vv3 because I've heard many great things about it and I don't know what the hell I did but everytime I set it to wattage it just sucks! Like it is a burnt horrible taste almost every time almost like I'm vaping the coil with no liquid. I see the bubbles go down and tooken hits without using fire button, I've tried multiple coils multiple liquids and multiple combinations of pg/vg so what am I doing wrong. If I set it too anything over 7 watts it burns like crazy after 2 hits. So is it maybe cheap coil heads or is it a defective battery or is maybe the piece that hold the coil together just broken? Please help!!!