I went through Vivi Novas for a while but, since trying dripping, I'm hooked. I'm interested in a VV Reo Grand but was wondering about the battery life. I've been using a provari with an 18650 and it will last me all day or even two even with pretty heavy use. I see that this device takes a pair or 18350s. The AW IMRs I'm seeing are 700mAh which would put it to 1400mAh total. This is well short of the 2000-2200mAh I would expect from an 18650. How long should I expect the batteries to last in this case? I know there is also some risk to stacked batteries. I'm told I need to charge in pairs and only used matched pairs in this scenario. Is that correct? Thanks for any info you might have.
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I have a VV REO Grand and I get a little over 3 ml of juice through my atty before I change batteries. I'd say I get roughly half a day from a set of batteries. The 18350s are 700 mAh, but stacking them doesn't double the mAh. Stacking them doubles the volts (3.7 x 2) The VV chip then regulates that voltage down so that you can select voltage 3.5 - 5.5 volts. The recommended batteries (AW IMR 18350) are safe chemistry, and the REOs are totally vented (squonk hole in the door) plus there's a safety feature that will shut the power off before it would melt down. Anyway, bottom line, I get about half a day out of a set of batteries. The VV REO Grand is a piece of art....very, very well made and a great VV machine. I don't think you'd be disappointed if you owned one. You could go to the Reos mods forum and read around and ask any questions you have. Great group of people.
Jan
Jan
Thanks for the info, JC. It makes sense that the capacity isn't additive in this case. I can't seem to find anywhere how the voltage is stepped down. Does it use a buck circuit? Does it have sufficient filtering on the output? Is the output as stable as something like a provari?
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