As most of you are well aware, the whole vaping thing has become fairly popular lately... I was having a discussion with someone in that realm who builds coils and the issue of current flowing through a coil came up and so I did a quick calc for the current going through a coil whose resistance is .15 ohms with an applied voltage of 8.4 volts, and I came up with 56 amps ... which is a hell of a lot of amps ... but doesn't seem inconsistent given the effects it has on the coils ...
But then I started to think about it and realized that 18650 batteries are not capable of delivering 56 amps ... so naturally, something has to give in the equation and that something has to be voltage because the resistance is static...
However, two fully charged 18650 batteries in series, will be 4.2 * 2 = 8.4 volts ... yet they aren't capable of delivering 56 amps to a .15 ohm load ...
So ... how does THAT work? Does the voltage somehow drop when the batter is being taxed that heavily?
But then I started to think about it and realized that 18650 batteries are not capable of delivering 56 amps ... so naturally, something has to give in the equation and that something has to be voltage because the resistance is static...
However, two fully charged 18650 batteries in series, will be 4.2 * 2 = 8.4 volts ... yet they aren't capable of delivering 56 amps to a .15 ohm load ...
So ... how does THAT work? Does the voltage somehow drop when the batter is being taxed that heavily?
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