Magnum Energy MS-AEJ Series - Manual (Page 48)

© 2007 Magnum Energy Inc Page 42
Battery Wiring Confi gurations
The battery bank must be wired to match the inverter’s DC input voltage specifi cations (12 VDC).
In addition, the batteries can be wired to provide additional run time. The various wiring con-
fi gurations are:
Series Wiring
Wiring batteries in series increases the total battery bank output voltage. A series connection
combines each battery in a string until the voltage matches the inverter’s DC requirement. Even
though there are multiple batteries, the capacity remains the same. In the example below (fi gure
B-1), two 6 VDC, 200 AHr batteries are combined into a single string resulting in a 12 VDC, 200
AHr bank.
Parallel Wiring
Wiring the batteries in parallel increases the total run time the batteries can operate the AC loads. A
parallel connection combines overall battery capacity by the number of batteries in the string. Even
though there are multiple batteries, the voltage remains the same. In the example below (fi gure
B-2), two 6 VDC, 200 AHr batteries are combined into a single 6 VDC, 400 AHr battery bank.
Series-Parallel Wiring
A series/parallel confi guration increases both voltage (to match the inverter’s DC requirements)
and capacity (to increase run-time for operating the loads) using smaller, lower-voltage batteries.
In the example below (fi gure B-3) four 6 VDC, 200 AHr batteries are combined into two strings
resulting in a 12 VDC, 400 AHr battery bank.
Figure B-3, Series-Parallel Battery Wiring
Parallel Battery Wiring
individual battery capacity =
200 AHr @ 6 VDC
combined battery capacity =
400 AHr @ 6 VDC
6 volts
(200 Ahrs)
6 volts
(200 Ahrs)
current flow
6 VDC
Series/Parallel
Battery Wiring
individual battery capacity =
200 AHr @ 6 VDC
combined battery capacity =
400 AHr @ 12 VDC
6 volts
(200 Ahrs)
6 volts
(200 Ahrs)
6 volts
(200 Ahrs)
6 volts
(200 Ahrs)
current flow
12 VDC
Series Battery Wiring
individual battery capacity =
200 AHr @ 6 VDC
combined battery capacity =
200 AHr @ 12 VDC
6 volts
(200 Ahrs)
6 volts
(200 Ahrs)
current flow
12 VDC
Figure B-1, Series Battery Wiring
Figure B-2, Parallel Battery Wiring
Appendix B - Battery Information