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Old 02-25-2015, 05:43 PM   #1
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I have a battery that hasn't been charged or plugged in, in over 6 months. I tried using it to test it but nothing turned on. The fluid inside was still full. I'm looking to get a charger to keep it in when not in use. Would that help or could that battery be toast?

Any ideas on what kinda charger to get? Hopefully under $50

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Old 02-25-2015, 05:54 PM   #2
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Take the battery to an auto parts house, and they should be able to load test that for you at no charge.

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Old 02-25-2015, 06:09 PM   #3
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Ok thanks
2014 Coachman Clipper 17BH

One local trip under my belt....many more notches to nitch
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Old 02-26-2015, 05:59 PM   #4
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Buy a Batter Tender Plus and you will be set.
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Old 02-26-2015, 09:32 PM   #5
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Battery may be toast. Put a battery minder or similar charger on it for a few days and see if it comes alive. If not, new battery time. Either way, you now have an appropriate charger to preclude the problem from reoccurring.
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2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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Old 02-27-2015, 05:08 AM   #6
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With the battery tender you need to charge the puppy up first, A Smart charger may work with it (or may refuse to work with it)

An old dumb charger will get it started in the charge, Put in like 10 amps for one hour and then switch to a smart charger

Then the Battery minder (TM) or Battery tender (TM)
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Old 03-01-2015, 10:13 PM   #7
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The above is correct. The smart charger needs to see voltage from the charging battery. When that happens I usually use jumper cables from a charged battery and connect the smart charger on the dead battery. Then after a short while remove the jumpers.
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Old 03-02-2015, 04:39 PM   #8
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Was the battery connected to your travel trailer? Even when not plugged in, your battery will continue to drain until dead due to your CO2 monitor.

This will most certainly kill it as any charge below 50% can damage your battery ( I know as it happened to me). My fix was to install a battery cut off switch for when the travel trailer was not in use or plugged in.

Two new batteries and 4 years later, still going strong. In fact, with the cut-off switch my batteries stay at 90% charge after 7 months of not being plugged in.

Hope this helps

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