OK I have the 3.5ml and the mini vivi nova. Each came with the 2.4 on them. What if the 2.4 was sold out and could only get 2.8..Would it fry my batt or vivi? I do not understand the difference between the 2.4 and 2.8. I use both on ego twist batts. ty..
to clarify - the higher the number the more power you need to get the same heat, in relation to your question the higher you go the less likely you are to actually damage anything.
its the other way, especially with the ego style
batteries the lower you go the more likely you are to accidentally damage something, after a certain point dropping too low (say 1.5 or so) will look like you just took the + and connected it to the - on the battery and the circuit board will see it as a short.
so in the end while the vapor may not be as hot or thick as you like the higher ohm heads are safer for the system.