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© Erwin Hymer Group North America, Inc., R00
Electrical System
Coach Batteries
The coach batteries in your Roadtrek are Lithium Battery cells.
DO NOT ATTEMPT TO OPEN THEM
! There is no user maintenance needed on
these batteries.
*Tampering with your batteries will void the Roadtrek warranty on them.*
Plug your coach in to external shore power
whenever possible to ensure your coach batteries are in a fully charged state.
Battery Disconnect Switch
The battery disconnect switch provides power to all 12-Volt appliances, such as the lights, water pump,
the refrigerator, and so forth. This switch should be off when you are not using your Roadtrek, and on
whenever you are driving or camping. (Picture 58.1)
Inverter Charger
Your Roadtrek is equipped with dual 3000-watt inverter-chargers which converts 120-Volt AC
(household current) to 12-Volt DC when you are connected to shore power or running the standard
underhood generator. This 120-Volt power is used to power your 12-Volt DC appliances as well as
charge your batteries. Whenever you are receiving either source of 120-Volt power, you are charging
your batteries. (See page 60 for Inverter Location and Image)
Alternator Charger and Battery Separator
While driving, your Roadtrek will also charge the coach batteries from the vehicle's alternator through a separator. The separator allows extra
vehicle alternator-produced electricity to charge your coach batteries in addition to keeping your engine (chassis) battery charged. When the
vehicle engine is not running, it breaks the electrical connection between your coach batteries and your engine battery, so your engine battery
remains charged to start your engine even though you are using coach battery power while camped. This is all automatic - there are no user
adjustments needed for the separator. *With the Lithium Battery system, you should drive with your batteries in the on position. (Press the reset
buttons one time as well for each battery bank). The lithium batteries need to be in the on position to accept a charge from the underhood
generator and should ensure your batteries will be fully charged when you reach your destination.*
Picture 58.1
Battery Disconnect Switch