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Old 01-15-2011, 12:38 PM   #1
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Battery charging when unit is in storage - Help

I have a question on battery charging when unit is in storage. I have 4 coach batteries and 2 engine batteries. I have one - 1 amp battery tender attached to "one" of the 4 coach bateries and another tender attacheded to "one" of the 2 coach batteries. Will the tender charge all batteries if only attached to one of them ? Or a better way to ask this question - how does one keep all the battteies on my coach on a tickle charge in the off season so as to not have the batteries ruined. Hoping I don't need 6 battery tenders. Way I see it all the batteries are hooked together. Help ! Thanks...Ron
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Old 01-15-2011, 05:30 PM   #2
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I have a question on battery charging when unit is in storage. I have 4 coach batteries and 2 engine batteries. I have one - 1 amp battery tender attached to "one" of the 4 coach bateries and another tender attacheded to "one" of the 2 coach batteries. Will the tender charge all batteries if only attached to one of them ? Or a better way to ask this question - how does one keep all the battteies on my coach on a tickle charge in the off season so as to not have the batteries ruined. Hoping I don't need 6 battery tenders. Way I see it all the batteries are hooked together. Help ! Thanks...Ron
As I understand it if the batteries are hooked together in their normal operating mode one trickle charger will keep them charged.
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Old 01-29-2011, 12:37 PM   #3
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Thanks EP.
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Old 01-29-2011, 05:46 PM   #4
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I have serious doubts that a 1 amp trickle charger will do anything. I suspect that there is more than 1 amp of parasitic draw from things like radios, smoke detectors, and carbon monoxide detectors than your charger will be able to replace.
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Old 01-29-2011, 07:18 PM   #5
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I have serious doubts that a 1 amp trickle charger will do anything. I suspect that there is more than 1 amp of parasitic draw from things like radios, smoke detectors, and carbon monoxide detectors than your charger will be able to replace.
Thanks Donn. Everything is shut off so there is no draw. I'm just charging batteries. ...Ron Appreicate any feed back
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Old 01-29-2011, 10:52 PM   #6
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Sorry to be the bearer of bad news. Unless you actually have the negative battery cable removed from both the house and engine batteries, it is very likely there is still parasitic draw. Newer vehicles have lots of computers that draw a small amount of power 24/7.
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Old 01-30-2011, 08:30 AM   #7
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Thanks Donn. Bad news would be the sky is falling. I'm trying to learn here. So far so good. Feedback is a gift. Ok......lets say the negative cable is removed. Will one trickle charger look after a set of batteries ? (FYI - there are 2 main switches that cut power off and are located at my batteries and that is why I think everything is totally off)
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Old 01-30-2011, 08:48 AM   #8
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Generally speaking the disconnect switch still leaves the computers hot. But given your scenario IMHO it might. Why not be on the safe side and simply get an automatic charger, plug it in and forget it? Or better yer just leave your MH plugged in??
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