Most of us do not know how to connect a battery either in series or parallel. A series connection is done when a greater voltage is needed. A parallel connection is done when a greater capacity is needed.
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Batteries joined in Series
Same voltage i.e. V = 6 Volts
Capacity of both batteries are added i.e. 10 + 10 = 20Ah
So, ratings are 6 V, 20 Ah
Batteries joined in Parallel
Voltages of both batteries are added i.e. V = 6 + 6 = 12 Volts
Same Capacity i.e. 10Ah
So, ratings are 12 V, 10 Ah
Batteries joined in Series and Parallel
Voltages of both batteries are added i.e. V = 6 + 6 = 12 Volts
Capacity of both batteries are added i.e. 10 + 10 = 20Ah
So, ratings are 12 V, 20 Ah
