Best battery for dna40

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Ryedan

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IMO the Samsung might give you slightly better performance, the VTC4 will I believe be slightly worse and a VTC5 will be a bit better. Here's the Steam Engine vape calculator.

If you plug in the numbers for a HE2 battery and 40 watts you'll see you get about 12 minutes of total vape time. 144 drags with 5 second pulls, so not many at all.
 

Ryedan

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Thanks Ryedan. Is there anywhere authentic vtc5s are still available?

You're welcome. As far as I know there are no authentic VTC5's available right now anywhere.

VTC5's are also not going to make much of a difference. Here's a table of discharge curves for the HE2, 25R, VTC4 and VTC5 at 5 amps. 40 watts will be more like 10 amps, but this site does 5A max. The VTC5 will pull ahead of the others a bit at 10A, but not by much. You can see the VTC4 fall behind quite a bit and that will be the same at 10A.

Unfortunately there is nothing on the market that will give you a significant improvement from what you have now.
 
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