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Kurt

Quantum Vapyre
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Sep 16, 2009
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I assume you are wanting to know about Boge cartomizers. These are what I use primarily:

For my 5V PV, I use 3.0-3.4 ohm cartos.

For my eGo, regular 510 batts (both ~3.2V under load), or my 3.7V box mod, I use 2.4 ohm cartos. Higher than that is too weak for me (although some love 3.0 ohm cartos on true 3.7V). Lower resistance than this is a bit too hot for me, even though the resistance is about the same as a regular 510 atty, they are a stronger vape to me. Unfortunately I am only seeing Boge LR cartos sold in the 1.8-2.2 ohm range. May well be perfect for some, but that is too low for regular batts. You don't want to go lower than about 2.2 ohms on a regular 3.2V-under-load 510 batt, as it will drain the batt too fast and could damage it. They are fine for larger batts of ~450 mAh or more, but the small original ones really take a beating from LR coils. That doesn't stop some from doing it, but this is the general word of caution for that combo.
 

mwa102464

Resting In Peace
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Oct 14, 2009
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There really is no best it is all very subjective to what each individual likes. I enjoy the 2ohm Boge carto from 3.7-4.2v then the 3ohm at 5-5.3v you would probably be best trying a couple different configurations to see what suites you best then buy a bigger amount once you have tried a few different set ups. The LR and 2ohm work well on an Ego Batt, if you have a mod that holds an 18650 Batt I suggest an AW IMR to run the LR and the 2ohm.
 

DonDaBoomVape

Reviewer / Blogger
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Jun 5, 2009
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www.VapingGuides.com
Underlying Kurt's, mwa's, and Katya's comments is the principle of balancing atomizer/cartomizer resistance (ohms) and battery voltage – to achieve optimum watts (i.e., the power or intensity of the vape). The formula is Watts = Volts X Volts / Ohms ... but I just use this online utility to do the calculations for me. [Enter any two variables (e.g., volts and ohms) and it calculates the other two (e.g., watts and amps*).]

* Amps (current) is what fries attys/cartos and the mosfet of fat batts. Try to keep them at or under ~1.5 amps; definitely under 2.0 amps.
Many vapers find that 6-8 watts is the "sweet-spot." Yours might be somewhat more or less.

For more information on this volts/ohms/watts/amps stuff, as well as LR and HV attys/cartos, see this article.
 
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