I use my vamo 2 with a 18650 , single 18350 and sometimes in the stacked 18350 mode too. Usually i use whatever is charged and use it till dead. My 18350's are button top, so i dont know if that makes a difference. But what do you guys mean when you say properly paired?
Pairing of batteries,,, Cant find an answer
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I believe it means when you are using it in stacked mode use batteries that are the same type and MaH
Properly paired is to alike batteries.
Same Brand
Same size
Same chemistry
Same Mah rating
Same Charge
Basically Twins, for equal operation under identical circumstance.
Same Brand
Same size
Same chemistry
Same Mah rating
Same Charge
Basically Twins, for equal operation under identical circumstance.
I may not be correct on this one - but it is my understanding that once you stack 2 18350s they are "married" and can only be used together. I have avoided stacking for this reason only - I don't want to forget who is married to who! 
Basically they can never be stacked with mismatched pairs .... or else!
Basically they can never be stacked with mismatched pairs .... or else!
Ah ok, Thankyou guys. Im Picturing in my head having to permanantly Pair them like attach them together.. lol
Nope they dont need to be attached, you just have to perform a quick ceremony with a JP 
CreepyLady:10753092 Basically they can never be stacked with mismatched pairs .... or else
That is exactly correct, and it's also why the two batteries must ABSOLUTELY be of the same brand, same chemistry and charged to the same state.
What's really scary is that some of the Vamo kits include two ICR 18350 batteries. Those shouldn't be used in any PV, much less stacked together or stacked with a battery from a different manufacturer with a different chemistry. They might behave themselves for a while, but it's best just to not stack 18350's at all.
This is one of the reasons that DV is no longer stocking that kit.
I know you shouldn't stack in mechanical mods for similar reasons but regulated mods that are capable of stacking it is OK as long as both have been charged at the same rate
exactly, one battery starts stealing charge from the other. you dont want to mess with a battery's charge. having one of these puppies vent is not pretty.
like mentioned before, its not good to stack batteries in any device. the risk-reward of doing such a thing is dismal. youve got a huge risk (venting, explosion, etc) and very litte reward (not having to charge a battery). further, ive been told that the vamo in stacked mode will eat through one batteries charge quicker than the other. and we've already gone over why thats a terrible thing to have happen.
stacking isnt the *most* dangerous thing you can do, but its certainly not the safest. err on the side of caution. please. and burn 1 4 me too!
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Kemosabe:10753506 said:
If you don't stack charged with dead battery I don't see how that would happen
Married means let's say you buy four new batteries that are same brand and all for a mod that you plan on using them to stack with. You should mark them something like A, B, C, D with a permanent marker. Batts A & B will always be used together and never used separately. Batts C & D will also be used the same way. You shouldn't use Batt A with Batt C, etc. You shouldn't use Batt A with a mod by itself, and then go back to using it again with Batt B in a stacked position. You should also try to sort of rotate their position in your mod from top to bottom, bottom to top. They really should explain this stuff to people when they plan on selling mods that stack batts. I avoid stacking batts but do have a couple box mods that require it.
MiamiMom63:10753576 said:
But why A with B and not A with D all being fully charged why would it matter electrically makes no sense everyone keeps saying the same thing without explanation as to why electrically it matters
frankly, it's just too much trouble for me, I'm way too lazy to do that safely,,,,,,,,,
so I avoid it.
so I avoid it.
Yes, they should. High end flashlight makers and the makers of high end GPS and surveying equipment do this. In truth, we are using batteries that were really designed for purposes other than what we're using them for. These are typically spec'ed as "industrial" cells and at least for the ICR's, they're meant to be included in systems with redundant protection measures to prevent the kind of accidents that pop up around here from time to time.
If you really like the Vamo in 18650 mode, why not use the best batteries you can find?
AW IMR 18650 2000 mAh
And read the statement in red from Eric at DV:
Batteries - DiscountVapers.com
He doesn't currently have the Efest 18650's in stock, but those are solid batteries, too. I bought a 650 and 350 from him last month.
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