What Charges The Batteries | Batteries Run Down In A Short Time | Batteries In Storage | Battery Maintenance | Battery Disconnect | Battery State Of Charge Chart | Battery Testing

• Both batteries should charge when the engine is running.
• The auxiliary battery charges from the converter, from the 120 volt supply. this includes the generator when it is running.

• Make sure your battery disconnect is turned off when unit is not in use if your unit is equipped with one.
• Make sure all your lights are turned off.
• Make sure items such as your furnace, water heater, water pump, power roof vent etc. are all turned off.
• On Ford chassis, Make sure the map light is turned off at the dash NOT at the light.
• Make sure all the storage compartment lights are off. [doors closed].
• Make sure the step light switch is off at the entry door.
• Make sure the thermostat for the air conditioners are off when not in use. [If unit heats up with the thermostat on cool the batteries can run down].
• Make sure the 12 volt vent fan thermostat is off when not in use. [The fan can come on if the heat rises in unit and run batteries down].

• Store batteries in fully charged condition. [12.6 volts 100% charge].
• Batteries will loose about 0.1 volt per month even when disconnected. [0.1 volt X 6 months = .6 volts. 12.6 volts - .6 volts = 12.0 volts, state of charge is less than 25% with no draw just setting].
• Charge your batteries every 30 days when disconnected in storage.
• Coach Battery NOT disconnected will use from 0.1 amp to 0.5 amp or more. [A 105 ah battery will be dead in less than 200 hours with a .5 amp draw]. Remove the battery cables from the battery if you do not have a battery disconnect, and recharge every 30 days.

• Keep the batteries clean.
• Check the water levels and fill as needed.
• Recharge batteries every 30 days even when not in use.
• Help with carring for your battery Go Battery Care Maintenance.

Pressing "Use/Store" switch will not connect battery.


• Battery may be discharged. Recharge battery or "jump" with direct connections
  if the battery is dead or run down.
• Check fuses on solenoid and replace if blown with same type and rating (5 Amp).


12 Volt RV power operates normally but indicator lights will not illuminate.


• Check fuses on solenoid (same locations above) and replace if blown with same type and rating (5 Amp).


Battery switched to "Store" position but indicator light remains on.


• RV is plugged in to 120 volt AC shore power or operating on gen-set.
• Ignition key may be on or on acc.
• Check that Coach battery is switched to "Use".