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of time, they will become deeply discharged. Permanent battery damage will occur after
repeated deep discharge cycles.
Typically, a four battery bank of 6-volt CG-2 deep cycle batteries connected in a series/
parallel arrangement to create 12-volts, has a 75 amp discharge rate reserve capacity (RC)
rating of around 420 minutes.
This same house auxiliary battery bank will have a 25 amp discharge rate reserve capacity
(RC) rating of around 1530 minutes. If your motor home has an eight battery bank of 6-volt
CG-2 deep cycle batteries, the reserve capacity minutes listed above are doubled.
12-volt loads drawn from the battery bank(s) while operating 120-volt appliances through
the inverter/charger can approach 300 amps on a single inverter/charger equipped motor
home, and 700 amps on a dual inverter/charger equipped motor home. Complete battery
discharge will occur quickly when inverter/charger loads are applied.
Batteries discharge at a faster rate the deeper they become discharged. To minimize battery
discharge:
When disconnected from 120-volt shore or generator power and not requiring the
operation of 120-volt appliances or equipment, turn the inverter/charger OFF on
the touchscreen.
Custom congure your inverter/charger’s control panel on the touchscreen (see
the inverter/charger owner’s manual) to best meet your power usage prole.
Batteries are all sealed AGM types, maintenance free.
Check the external condition of the batteries periodically. Look for cracks in the cover and
case.
To prevent house auxiliary battery discharge when your motor home will not be connected
to shore power for extended periods of time, it is recommended you turn “o” the 12-volt
battery disconnect switch, or (main power switch in the stepwell), and disconnect each bat-
tery bank at the negative battery cable running to the chassis frame.
During storage, it is important to check the voltage of your batteries at least monthly using
the inverter/charger remote control panel if the negative battery cables remain connected.
Check with a multi-meter when the battery negative cables aren’t connected. Re-charge all
batteries to 12.65 volts as needed. If you remove the batteries from the motor home, store
them in a dry, cool area.
Refer to the Chassis
Guide for information on chassis battery replacement.
contact the battery
manufacturer.
The battery disconnect solenoid switch, or “main power switch,” is lo-
cated near the entrance door on the front of the passenger’s console.
This switch lights up red when turned on.
There may be a second rocker switch located at the driver console la-
beled “HOUSE”. The House and Main Power switches both perform
the same function and are used to disconnect the motor home from
house auxiliary battery power during periods of storage and/or during
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