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I don't recommend it with almost any mod. Unless their designed for it. And why would you even want to stack in the SVD?
I will ask why you would want to stack batteries? What do you wish to gain?
Nearly all battery experts always caution NOT to stack batteries:
"Stacked or unstacked? In some devices, you can fit two 18350’s when the device is configured for an 18650. This boosts the voltage output from 3.6V to 7.2V which means more vapor. Yay. BUT, you should never do this... ever. Unless you are familiar with matching batteries, you are only endangering yourself and others.
You may think, “Well, shucks, laptops have multiple batteries in them, why can’t my ecig?” Laptop batteries are specifically designed for stacking and are paired for use at the factory. When using unmatched batteries, they will discharge and provide current at different rates. This means one battery will continuously take more of the stress than the other.
You may not notice any trouble at the start, but as the batteries age the problem will become more severe. Push the batteries a bit further and now you’ve entered the realm of thermal runaway. Downside being that one battery entering thermal runaway will push the other battery into thermal runaway. Now you have two small, flaming explosives only inches from your face. Save your teeth, don’t stack batteries."
- Batteries Explained & Safety
"Stacking batteries- The warning: Stacking batteries is not suggested - and hugely warned against. Stacking improper batteries can place a strain on the battery cell and cause venting and/or explosion. When stacking batteries, the risk goes up.
If you decide to ignore the above warning, do NOT ignore the following tips:
Sometimes, just because you can, doesn't mean you should. There are ECF members who do stack batteries, but they either ignore the risk or are super diligent in the methodology required to do this with some relative safety.
Nearly all battery experts always caution NOT to stack batteries:
"Stacked or unstacked? In some devices, you can fit two 18350’s when the device is configured for an 18650. This boosts the voltage output from 3.6V to 7.2V which means more vapor. Yay. BUT, you should never do this... ever. Unless you are familiar with matching batteries, you are only endangering yourself and others.
You may think, “Well, shucks, laptops have multiple batteries in them, why can’t my ecig?” Laptop batteries are specifically designed for stacking and are paired for use at the factory. When using unmatched batteries, they will discharge and provide current at different rates. This means one battery will continuously take more of the stress than the other.
You may not notice any trouble at the start, but as the batteries age the problem will become more severe. Push the batteries a bit further and now you’ve entered the realm of thermal runaway. Downside being that one battery entering thermal runaway will push the other battery into thermal runaway. Now you have two small, flaming explosives only inches from your face. Save your teeth, don’t stack batteries."
- Batteries Explained & Safety
__________________________________
"Stacking batteries- The warning: Stacking batteries is not suggested - and hugely warned against. Stacking improper batteries can place a strain on the battery cell and cause venting and/or explosion. When stacking batteries, the risk goes up.
If you decide to ignore the above warning, do NOT ignore the following tips:
- Never stack an old and new battery together
- Never use a damaged battery
- Test your batteries after charge to make sure they aren’t overcharged
- Test your batteries after charge and then a rest for a couple days. Make sure they are holding the charge.
- High drain devices should use an IMR battery"
Sometimes, just because you can, doesn't mean you should. There are ECF members who do stack batteries, but they either ignore the risk or are super diligent in the methodology required to do this with some relative safety.
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Thanks Bad for chiming in. I have read a lot of your posts and trust what you have to say. I'm not planning on stacking them after doing some reading. By the way I have read your blog on carto tanks twice now, great read. That's my next step, is a good carto tank.
Thanks again.
Terry
Thanks again.
Terry
My saber touch VV is designed for stack batteries. There is no circuit booster in it. I've spoken with Sir Lawrence about this. Stacking is the only way to get the required voltage from the device. In this case, I have 4 sets of PAIRED batteries that are marked. I rotate top to bottom after each charge and the batteries are rotated through their turn. I'm extra careful to check each "pair" for proper charge after the come off the charger. Also I use one specific charger, so I can keep track of all the conditions.
Actually, the SVD manual says "You can also use 2 IMR high drain 18350 batteries at the same time, which will give you the full arrange (sic) of voltages/Wattages and proper power needed to use the device."
So it seems Innokin does "recommend" stacked batteries - but I'll stick with my single 18650, thank you!
So it seems Innokin does "recommend" stacked batteries - but I'll stick with my single 18650, thank you!
I really can't answer that question. I always carry minum 3-4 PV's daily. Also haven't used mySVD in several weeks. (I work in a Vape shop). Every night when I get home, I change the batteries and put fresh ones in. If I'm running multiple mods with the same battery in each, then I'll carry a couple of extras in a battery box. Toss it in a pocket or lunch box and no worries.
Just because it has the circuitry for it. It's still up to the user to use caution with the batteries. Not to let one over discharge.
See Baditudes post in this same thread.
I didn't see the word "recommend" anywhere in that statement. But that's beside the point.
The OP didn't say what batteries he was trying to stack. If protected, they may not work whether they are button top or not; protected batteries are always longer in length because of the embedded protected circuit. It could be that some IMR's, which would be shorter, could fit with ease. IMR/hybrids are a better choice for nearly all applications.
Having said that, regulated mods like the SVD perform more optimally with IMR or hybrid "high drain" batteries. IMHO, there really is no reason to use protected NCR batteries nowadays.
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I don't stack batteries and the 18650 works great for me but I assumed that stacking was bad for mechs. But the svd is protected so what is the big deal. I seen madvapes do it In his review. But when you assume you make an ... out of you and me lol. And I don't stack anyways
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