Series Connection; Parallel Connection - Samlex Europe Pure Sinewave PST-300S-12E Mode D'emploi

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7.15 SeRieS AnD PARALLeL connection oF BAtteRieS

7.15.1 Series connection

24V Inverter
or 24V Charger
Cable "B"
Fig 7.2: Series Connection
When two or more batteries are connected in series, their voltages add up but their Ah
capacity remains the same. fig. 7.2 shows 4 pieces of 6V, 200 Ah batteries connected in
series to form a battery bank of 24V with a capacity of 200 Ah. The Positive terminal
of Battery 4 becomes the Positive terminal of the 24V bank. The Negative terminal of
battery 4 is connected to the Positive terminal of battery 3. The Negative terminal of
battery 3 is connected to the Positive terminal of battery 2. The Negative terminal of
battery 2 is connected to the Positive terminal of battery 1. The Negative terminal of
Battery 1 becomes the Negative terminal of the 24V battery bank.

7.15.2 Parallel connection

12V Inverter
or 12V Charger
Cable "B"
Fig 7.3: Parallel Connection
When two or more batteries are connected in parallel, their voltage remains the same
but their Ah capacities add up. fig. 7.3 shows 4 pieces of 12V, 100 Ah batteries connect-
ed in parallel to form a battery bank of 12V with a capacity of 400 Ah. The four Positive
terminals of Batteries 1 to 4 are paralleled (connected together) and this common Posi-
tive connection becomes the Positive terminal of the 12V bank. Similarly, the four Nega-
tive terminals of Batteries 1 to 4 are paralleled (connected together) and this common
Negative connection becomes the Negative terminal of the 12V battery bank.
General Information on lead Acid
Batteries
Cable "A"
Battery 4
6V
Cable "A"
Battery 1
12V
Battery 3 Battery 2
6V 6V
Battery 2 Battery 3
12V 12V
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Battery 1
6V
Battery 4
12V
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