Also, I have some AW-IMR 14500's (4) that are pretty new. Could I use them in the VVProV?
I know this question is almost three weeks old, but it's worth answering for anyone who might have the same question.
The AW IMR 14500s are not the best choice for this PV. First, the buck circuit notcigs uses never requires more than 2 amps from the batteries (the regulator makes up the other amp or so to the max of a little over 3 amps by design), so high drain batteries are not of any performance benefit. Next, IMRs have a lower mah rating than their li-on cousins, so vape time between charge cycles is reduced.
As to "can they be used?" - Yes, with one caveat. The springs in the VVPV have a wide last loop - the last circle in the spring coils is somewhat large. The nipple on the AW IMR slips inside that last circle and will not make proper contact. The springs are soft enough that that last loop can be made smaller with a needle nosed plier or similar tool. I modified mine to accept some AW Li-On 14500s and it isn't difficult.
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