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Old 06-19-2011, 08:33 PM   #1
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which battery charger ?

My motor home has four 6 volt golf cart batteries. When boon docking I like to recharge them with a battery charger powered with my Honda 2000i. I charge the bank at 12 volts ,charging all four batteries. My old 25 amp battery charger died. I need a replacement. Hope to spend $100 or less and would like to recharge within 8 hrs with a charger that is compact and weighs 40 lbs or less.
Spent a lot of time on the internet and have not found the ideal solution. Looking for suggestions.
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Old 06-19-2011, 10:04 PM   #2
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Quote:
Originally Posted by geast View Post
My motor home has four 6 volt golf cart batteries. When boon docking I like to recharge them with a battery charger powered with my Honda 2000i. I charge the bank at 12 volts ,charging all four batteries. My old 25 amp battery charger died. I need a replacement. Hope to spend $100 or less and would like to recharge within 8 hrs with a charger that is compact and weighs 40 lbs or less.
Spent a lot of time on the internet and have not found the ideal solution. Looking for suggestions.
i have been using a schumacher sc6500a 20 amp charger since 2006. it has an equalizing function as well as a start boost function.
it works very well for me.
i don't think they make that particular model anymore. here is their website. the sc10003a is similar to what i have, but larger capacity.

Schumacher:
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Old 06-19-2011, 10:26 PM   #3
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If you have 6 deep cycle 6 volt batteries you probably have about 700 amp/hr bank capacity. At 50% discharge the minimum size battery charger would be about 50 amps with a 65 amp charger being a better choice.
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Old 06-20-2011, 10:36 AM   #4
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Well.. it might cost a bit more than 25 bucks (Like 10 times that) but with 4 GC-2 size batteries you could use one of the larges Progressive Dynamic 9200's made.

One pair, wired for 12 volts, can charge at up to about 70 amps initial, (I did the math)
Two pair up to 140 amps but frankly.... I don't like that I'd rather limit to 70 and increase the charge time.

To get that kind of charging rate.. 25 bucks is not going to cover it.

OH yes, the Honda 2000, will indeed run an 80 ajmp converter no sweat. (I used a Genrac 1000, this unit was rated 1000 watts and actually delivered a bit more than that, with a 9180 + charge wizard several times before it grew legs and walked off)
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Old 06-25-2011, 03:28 PM   #5
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Thanks for the ideas. I need to replace my charger so will probably buy the Schumacher SC10030A from Amazon for $85. I also like the idea of an onboard high output smart charger/converter. The Progressive Dynamic 9200 series 60 amp is $188 from Amazon. Need to look at my current converter to see how hard it would be to swap and if my current wiring would handle 60 amp charging. I have a 1999 Damon Ultrasport with Cat engine on Freightliner chassis.
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Old 06-25-2011, 07:55 PM   #6
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There are Progressive Dynamics 9260s on eBay for $129.99 + $15.50 shipping

eBay Progressive Dynamics 9260
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Old 06-26-2011, 12:03 AM   #7
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Our inverter/charger allows us to adjust the charging voltage. You might wish to read some of the solar threads as it seems many of the batteries need a 14.8v charge to really charge them up.

We have 4 6 volt batteries wires in series+parallel and between our 2 solar panels and the occassional generator charge we care able to boondock for days without hookups.

We also installed a more accurate battery monitoring system that lets us really see where our power is going. It's amazing how much juice a flat screen TV uses.
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Old 06-26-2011, 05:51 AM   #8
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This maybe larger than you wanted, size wise. But works great and has battery boost...not bad for $90.00 Schumacher Electric Wheel Charger - Sam's Club
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Old 06-26-2011, 11:31 AM   #9
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Thanks for the info. After the tip on Ebay pricing , I think I will move up to the PD9280 for $186 plus shipping.
I will also check the Schumacher wheel charger
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Old 08-03-2011, 06:35 AM   #10
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Your batteries will thank you for moving to the Progressive Dynamics charger.
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Old 08-04-2011, 08:20 PM   #11
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I presently use an IOTA DLS-55 smart charger that I am very happy with, new these units cost about $250 but have commonly seen on ebay used for < $100, I got mine for $60, presently this one is listed it is a 30amp,deals come and go.


http://cgi.ebay.com/Iota-DLS-30-batt...item3cba8c76f0
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