why are there different sized batteries (aaa-D, etc) if they all put out the same 1.5v?
In: 394
It will blow your mind when you open up the 6V lantern batteries (that are 4×1.5v cells in series)
Or 9v battery that is 6×1.5v button cells
Or 6v/12v remote batteries that are also a combination of smaller batteries.
The voltage comes from battery chemistry, and then they just put them togrther in series to make the required voltage.
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