The main differences in all ecigs are found in the battery and atomizers.
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It is a matter of preference. I use a Janty Stick which has an 801 atomizer and a battery that runs at the same voltage as the 510. That is why the vapor from the Janty Stick is "cooler" (but still warm)than the vapor from a 901 or 510..............
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Great post. I thought it was interesting that you get warm vapor from the stick. I don't. I can never tell when I'm getting vapor by feeling a temperature differential, I start getting a flavor (menthol/
tobacco in my case) and then I know I have a mouthful of vapor. I wish it was warmer. I wonder if someone will come up with a
device that includes a secondary heat exchanger that would warm the vapor up a bit before it gets to the user. I think that would pretty much complete the duplication of the smoking experience for me...