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Old 06-10-2011, 01:58 PM   #1
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Engine Battery Discharges

I have a 2007 Adventurer 38J parked in front of my house on 30amp shore power. The inverter keeps my house batteries charged just fine (I run a vent fan constantly to keep the heat down)(Florida), but the engine battery discharges fairly quickly (2-3 days), even though absolutely nothing else in the RV is on except the control panel. Winnebago couldn't help. Any ideas? I'm thinking of putting a trickle charger on it or somehow rigging the inverter to charge it too (bypass the boost switch?).

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Old 06-10-2011, 02:07 PM   #2
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I but a small maintainer/charger on ours and that solved all our problems.BatteryMINDer Charger/Maintainer/Desulfator ó 1.3 Amp, 12 Volt, Model# 12117 | Battery Maintainers | Northern Tool + Equipment

1996 HR Endeavor LE, 5.9 Cummins 230hp
Hartford, WI
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Old 06-10-2011, 02:18 PM   #3
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Had a similar problem with my Adventurer, then I bought the Trickle Start about 50.00 end of problem it keeps your engine battery charged while sitting plugged in and then it conditions the battery it works off your house battery, Winnebago started using these as standard equipment a few years ago on diesel coaches, hope this helps
Barry and Glennice, Kit and Kaboodle (Lhaso Apso's)
2008 Winnebago Tour WD, GMC Terrain toad
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Old 06-10-2011, 02:42 PM   #4
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Do you have a B.I.R.D(Bi-directional Isolation Relay Delay). It's supposed to keep the chassis battery charged when connected to shore power.
2007 Newmar DSDP 4023
Discovery is seeing what everyone else has seen and thinking what no one else has thought.
If you want to see what man made go East; if you want to see what God made go West.
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