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Battery Information
C–12 976-0043-01-02
Connect to inverter To connect to the inverter:
1. Connect a cable from the positive terminal of the first battery string to
the inverter’s positive DC terminal (via a fused device).
2. Connect the negative terminal of the last battery string to the negative
terminal of inverter’s DC terminal.
Battery Connections for Stacked Inverters
When using inverters in a stacked configuration, the same battery bank
must be used for both inverters. To ensure even charging of the batteries,
each inverter must be connected to both strings (i.e., positive cable to
string two, and negative cable to string one for inverter 1, and positive
cable to string one and negative cable to string two for inverter 2) as
shown in the diagram below.
Figure C-6
“Series-Parallel” Configuration Wired to the Inverter
– + –
12 V 12 V
+ – + –
12 V 12 V
+
12 V 12 V
–
12 V 12 V
+ –
48 V INVERTER
(Total battery capacity = 200 Ah)
– + – + – +
+
Connection from Series String 2
to
inverter's negative (–) terminal
Series String 2
Series String 1
C
onnection from Series String 1
t
o inverter's positive (+) terminal
Each battery's amp-hour
rating is 100 Ah.
SHUNT
DC Disconnect (can be
either a circuit breaker or a
fuse with a disconnect)
6
6 6
6
6
6 6 6
24
700
350
Figure C-7
Example of Battery Connections for Stacked Inverters
(24 Vdc shown)
DC CONDUIT
FOR
INVERTER 1
– +
12 Volt
Battery
200 Ah
– +
12 Volt
Battery
200 Ah
+–
12 Volt
Battery
200 Ah
Series String 1
Series String 2
DC CONDUIT
FOR
INVERTER 2
24 VDC/200 Ah
24 VDC/200 Ah
– +
12 Volt
Battery
200 Ah
Shunt
Batteries in
Parallel
24 VDC 400 Ah