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Old 11-09-2014, 10:22 PM   #1
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Best smart charger/maintainer for RV batteries

I am looking to maintain the batteries to the RV and boats (so deep cycle 12volt) in the off season on a bench in the garage (heated). I don't want to spend big bucks (under $100).

What is everyone using?
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Old 11-10-2014, 08:56 AM   #2
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I don't know if it is "best" , but I have been pleased with the battery tender.


http://batterytender.com
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Old 11-10-2014, 09:06 AM   #3
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I've got both a BatteryTender and this one. They both seem to work well.

Amazon.com: Schumacher SEM-1562A-CA 1.5 Amp Speed Charge Battery Maintainer: Automotive
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Old 11-10-2014, 09:17 AM   #4
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I too have used battery tenders for many years.
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Old 11-10-2014, 11:24 AM   #5
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I live in Southern AZ, and everybody told me here that my Harley battery would only last 1 year. I have batteries that lasted for just over 4 years. I used common sense, and a battery tender when I wasn't riding. They work
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Old 11-10-2014, 12:13 PM   #6
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Best smart charger/maintainer for RV batteries

I just bought a Battery Tender Plus at Costco for about $40. Used it now for a few days and it's working as advertised. I also have a much larger charger just in case.
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Old 11-10-2014, 12:32 PM   #7
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just a question if you have 4, six volt wired for house batt. where or what kind of battery maintainer would you get?? I have a small one for my motorcycle and it works great but for the m/h I am not sure which one to get....any help would be great.
Bill
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Old 11-12-2014, 09:02 AM   #8
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Put a small 20-100 watt solar panel on your RV roof and a controller. You can do it for less than $200 and you don,t need to remove the batteries from the RV and you don,t need shore power.
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Old 11-12-2014, 05:35 PM   #9
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I use multiple of the cheap Harbor Freight battery maintainers for many of my vehicles. You can get them for $5-6 on sale. The Battery Tender brand or Schumacher also are good but more money.

The battery size or capacity is not a concern with maintainer, key word being maintainer. They are not for charging a dead or low battery. They just hold it at peak charge, so make sure battery is fully charged first.

Old Blue, just put the maintainer so it charges two 6 v batteries in series, or 12v to match the 12v maintainer.
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Old 11-13-2014, 03:50 PM   #10
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Quote:
Originally Posted by wanderso View Post
I don't know if it is "best" , but I have been pleased with the battery tender.


http://batterytender.com
X2 for me. Can't beat a battery tender!!
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Old 11-14-2014, 06:04 AM   #11
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I don't believe that the more the expensive the better, but, you get what you pay for. I'm not about to use a Harbor Garbage cheapy charger on my $150 batteries. I'm not poking, it's the just the way I feel. It's not worth saving $20 on each little charger for my battery that's $150, if the charger screws it up. I'vehad it happen.

Get the proper charger for the proper battery. Technology has changed, and so has the chargers. An old "regular" charger doesn't cut it when it comes to new AGM batteries.
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Old 11-14-2014, 06:17 AM   #12
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Battery Tender. Period.


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