Samlex America SAM-3000-12 - Manual (Page 12)

10 | SAMLEX AMERICA INC. SAMLEX AMERICA INC. | 11
When two or more batteries are connected in series, their voltages add up but their Ah
capacity remains the same. Fig. 4.2 above shows 4 pieces of 6V, 200 Ah batteries connect-
ed 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.
parallel connection
Fig. 4.3 Parallel Connection
When two or more batteries are connected in parallel, their voltage remains the same but
their Ah capacities add up. Fig. 4.3 above shows 4 pieces of 12V, 100 AH batteries con-
nected 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 Positive connection becomes the Positive terminal of the 12V bank. Similarly, the
four Negative terminals of Batteries 1 to 4 are paralleled (connected together) and this
common Negative connection becomes the Negative terminal of the 12V battery bank.
Series – parallel connection
Fig. 4.4 Series-Parallel Connection
SECTION 4 | Installation
6V Battery 6V Battery
12V Battery 12V Battery 12V Battery 12V Battery
6V Battery 6V Battery 6V Battery 6V Battery
12V String 1 12V String 2
Battery 1 Battery 3 Battery 2 Battery 4
Battery 1 Battery 3 Battery 2
Battery 4 Battery 3
Battery 4
12V
Inverter/
Charger
12V
Inverter/
Charger
Cable “A”
Cable “B”
Cable “A”
Cable “B”
Cable “A”
Cable “B”
6V Battery
Battery 2
6V Battery
Battery 1
24V
Inverter/
Charger
6V Battery 6V Battery
12V Battery 12V Battery 12V Battery 12V Battery
6V Battery 6V Battery 6V Battery 6V Battery
12V String 1 12V String 2
Battery 1 Battery 3 Battery 2 Battery 4
Battery 1 Battery 3 Battery 2
Battery 4 Battery 3
Battery 4
12V
Inverter/
Charger
12V
Inverter/
Charger
Cable “A”
Cable “B”
Cable “A”
Cable “B”
Cable “A”
Cable “B”
6V Battery
Battery 2
6V Battery
Battery 1
24V
Inverter/
Charger
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