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Old 04-06-2007, 03:39 PM   #1
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Join Date: Oct 2006
Location: New Brunswick, Canada
Posts: 8,290
Default Keeping the chassis battery charged

For the last month or so I've been keeping my chassis battery charged while my van it connected to shore power by using a small jumper cable to connect the two outer posts of my isolator.

I remove it when I use my van.

I don't know if this is a good idea or not but it works for me.

If anyone knows a reason why I shouldn't do this please let me know.

I'll still use my Battery Minders for longer lay ups but this is quicker. I do not use my van regularly so I have to maintain the chassis battery.

I measure 13.4 volts at the chassis battery when connected this way. Your converter or charger has to have a "float" mode if not you could over charge the battery.

Two bikes on sliding cargo box: & 1997 GMC Savana 6.5L Turbo Diesel Custom Camper Van Specifications:
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Old 06-09-2008, 05:40 AM   #2
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Location: Florida
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Default strap across battery isolator

I can see no harm to come from this. I do a similar thing to charge my rear battery, charge with negative on chassis ground and positive to the bolt on the inverter which leads to the coach battery.


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