Er....what were the first twoElectrical lesson number 3![]()
You mean life-wise or per charge?both batteries same way up normally + at top = parallel - voltage remains same nominal 3.7v [4.2v fully charged] but mAh is doubled so they should last twice as long in theory
The iStick 100W says 5-100W, and I'm currently using mine at 6.5W with a 1.8 coil.now we get to the hard part on an unregulated mod the wattage output for the parallel batteries on a 1.5ohm coil would be around 9w, but on the series it would be just over 36w nearly 4 times as much - but you don't have to worry about that last part because you only use regulated mods, although it could affect the lowest wattage that can be set on a series mod, usually 7w