1. The airflow holes on the .comt dictate the resistance of the draw. This feature on bigger devices will produce more vape however on the .comt...
I have a P3 with kayfun v4 installed as well, but i'm using AW 18350 800mah on 5v 12.6W 1.9OHM 88IQ and it last me around 4 hours ( heavy...
Haven't tried those, no.
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