When cells are connected in series to form a battery as shown below, the cell voltages are
added together to determine terminal voltage; current capacity is the same as the capacity of
one cell.
Each cell of the battery above is rated at 2 volts and 2 ampere-hours, and they am connected
in series. The battery has a terminal voltage of 6 volts and a current capacity of 2 ampere-
hours.
The terminal voltage of a battery that has six (6) cells, each rated at two (2) volts and one (1)
ampere-hour, connected in series will be twelve (12) volts and the current capacity will be one
(1) ampere-hour.
Parallel connection of cells means that the negative (-) electrode of one cell is connected to
the negative electrode of the next cell, and the positive (+) electrode of one cell is connected
to the positive electrode of the next cell. When cells are connected using this method, you
can determine the current capacities of the cells together. The terminal voltage of a battery of
parallel- connected cells is the same as the terminal voltage of one cell.
The terminal voltage of the battery above is 1.5 volts and the current capacity is 3 ampere-
hours.
IT0335
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