
2. INSTALLATION
3. Installation, continued
Series Connection
(four 6 VDC batteries to create a 24 VDC bank)
A series connection combines overall battery voltage by the number of batteries in
the string. Even though there are multiple batteries, the capacity remains the same. In the example at the
left (Figure 8), four 6 VDC, 100 AHr batteries are combined into a single string resulting in a 24
VDC, 200 AHr bank.
Connect the negative battery terminal of one battery to the positive of the other using a short cable.
Connect the negative battery cable (BLACK) from the inverter to the open negative
terminal of one of the batteries. At the same time, connect a DC ground cable between the negative
terminal and the vehicle’s DC grounding bus.
Connect the positive battery cable (RED) from the inverter to the positive termi nal of
the opposite battery.
NOTE: A fuse must be placed between the positive terminal and the positive (RED)
battery cable to the inverter.
Once the batteries are completely wired and tested, coat the terminals with an approved anti-
oxidizing spray.
Series/Parallel Connection
(four 6 VDC batteries to create a 12 VDC bank)
A series/parallel connection increases both voltage and capacity using smaller,
lower-voltage batteries. In the example at the left (Figure 9) four 6 VDC, 200 AHr batteries are
combined into two pairs resulting in a 12 VDC, 400 AHr bank.
Connect the negative battery terminal of one 6 VDC battery to the positive of the next (creating a pair)
using a short battery cable.
Connect the negative battery terminal of another 6 VDC battery to the positive of its
next using a short battery cable (creating a second pair).
Connect the remaining negative battery terminal of the first pair to that of the second pair using a
short battery cable.
Connect the remaining positive battery terminal of the first pair to that of the
second pair using a short battery cable.
Connect the negative battery cable (BLACK) from the inverter to the end battery’s
negative terminal. At the same time, connect a DC ground cable between the negative terminal and the
vehicle’s DC grounding bus.
Connect the positive battery cable (RED) from the inverter to the opposite end
battery’s positive terminal.
NOTE: A fuse must be placed between the positive terminal and the positive (RED)
battery cable to the inverter.
Once the batteries are completely wired and tested, coat the terminals with an approved anti-
oxidizing spray.
Ó 2003 - Magnum Energy, Inc. 15
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