Polarity

Every cell and battery has a positive (+) terminal and a negative (-) terminal.
The long line is the positive (+) terminal.
The short line is the negative (-) terminal.

So, in the case of a cell:

+

-

In the case of a battery of two cells:

+

-

And in the case of a battery of three cells:

+

-

etc.

Electricity Menu

Go to next page