In my post I said The Darwin can put out up to 12.9 Volts...!2.7 watts refers to watts and 12.9 Volts refers to volts. If you take your atomizer off and look at the screen while you are pushing the buttons you will see 12.9 Volts.
Touché, I misunderstood your post That fact that that the Darwin can produce 12.9V is irrelevant as it is limited to 12.7W. I haven't seen a atomizer over 5ohms, which would need 7.96V to produce 12.7W, it's like driving a Ferrari with a 80mph governor. Regardless, as you can read from Brandon's email, each coil is only getting 6.35W- in my opinion it's not sufficient for dc cartos, perhaps their reason for investigating a 19W cap? But once again taste is subjective, so if your happy with 4.5V with the the DCs that's great, I think there better at 5+V.
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