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C–10 976-0043-01-02
Wiring Batteries in Parallel
Effect Wiring the batteries in a parallel configuration increases the current of the
battery string. The voltage of the battery bank remains the same as an
individual battery. “Parallel” configurations extend the run times of the
AC loads by providing increased current for the inverter to draw from. In
a parallel configuration, all the negative battery terminals are connected
together and all the positive battery terminals are connected together.
Wiring example Figure C-4 is an example only of how to wire batteries in a parallel
configuration. The Sine Wave Plus is not available in a 12-volt unit.
Figure C-2
12-volt Battery Wiring - “Series” Configuration
+ - + -
12 V 12 V
+ -
48 V INVERTER
(Total battery capacity = 100 Ah)
+ - + -
12 V 12 V
+ - + -
12 V 12 V
+ -
24 V INVERTER
(Total battery capacity = 100 Ah)
SHUNT
SHUNT
DC Disconnect
(either a circuit
breaker or a
fuse with a
disconnect)
DC Disconnect
(either a circuit
breaker or a
fuse with a
disconnect)
Each battery's amp-hou
r
rating is 100 Ah.
Each battery's amp-hou
r
rating is 100 Ah.
Figure C-3
Battery Wiring in Parallel (Example Only)
12-volt
Inverter
+
–
+
–
+
–
12-volt
Battery
12-volt
Battery
Battery Wiring configured in Parallel
SHUNT
DC Disconnect
(either a circuit
breaker or a
fuse with a
disconnect)
Total battery
capacity of 200 Ah
Each battery is rate
d
at 100 Ah.