Keep in mind you can do testing, but that will not guarantee later the cells will continue to act the same. As they are used one cell can become more taxed than the other(s) and lead to failure. Running cells in series without proper circuit protection is in my personal opinion not worth it when looking at the risks versus rewards. Also, be very careful using other people's projects as a gauge of safety. I see many unregulated box mods that people make and even sell that are not properly built. These mods may work for a time and people will love them, but they will fail at some point.
Why so little love for series mech box mods? Have parts on the way for #1 and seriously considering triple 18650 @ 11.1V.
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Keep in mind you can do testing, but that will not guarantee later the cells will continue to act the same. As they are used one cell can become more taxed than the other(s) and lead to failure. Running cells in series without proper circuit protection is in my personal opinion not worth it when looking at the risks versus rewards. Also, be very careful using other people's projects as a gauge of safety. I see many unregulated box mods that people make and even sell that are not properly built. These mods may work for a time and people will love them, but they will fail at some point.
I agree, I heard on the plumes of hazard show on Monday that Yihi will have updates for their new "mini" board that is being released for temp control, or that may be released with it already firmed. FDA will put a stop to everything else, even China see's what is coming. And it really makes sense health wise. I am not ready to jump on board with it yet but will when the time comes.
Agreed to make sure your not taxing each cell differently you should have a balancer circuit. I don't know what that is or how it works either but I am sure with a little reading you can find them. In related news someone built a car battery mod on youtube...
I will look up this balancer circuit but for now I'm just going to keep a close eye on my batteries. I might incorporate a simple LED low voltage indicator circuit in the future.
I did a preliminary build with two VTC4's in series and my mutation X atty @ 0.7 ohm using 30ga parallel coils. That's approximately the same wattage (~100W) as the MX was on one battery at 0.18 with 26ga parallels. As suspected, the clouds are about the same but the vape is noticeably smoother. Instead of a crackle with the occasional spit, it's a fine hiss. Not to mention the ramp up time is way faster. I made big coils this time, 0.14". My thought was to have more wick in the coil and it seems to be working out. I can hold the button down for longer without drying out the wick.
So far I feel that, for me, series is worth it. I'm blowing some very pleasurable and sizable clouds at 12A. I don't think I'll go to 3 batteries any time soon though because the layout for 2 batteries is so elegant (also, I only have a 2 bay charger
). I'm using 12ga solid wire at the moment and none of the wire lengths exceed 2" or so. I did use stranded wire from the switch to the 510 to let the pin float easier. So far I just got things wired up enough to test it out and may switch to 26650's since there's plenty of room. I'll also switch to flat copper stock instead of the round solid wire. I think that will make for much better battery contacts. I haven't mastered a battery contact with the round wire that's easy to put in and take out batts (that doesn't also make me worry about the shrink wrap on the battery).I really appreciate the cautionary words from everyone that's more knowledgable than myself and allowing me to (relatively) safely attempt this experiment. Refinements (and pics) forthcoming.
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