How come there aren’t B batteries?

Question

How come there aren’t B batteries?

Answer 1

because when the person says b-batteries the person would think they were studding. i think.

Answer 2

b batteries are high voltage, used on portable vacuum tube type receivers. usually 45-90 volts. transistors don't like high voltage, so they are not needed anymore.

Answer 3

There actually was a b size but they are now pretty much extinct:

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