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toofewweekends
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# Posted: 30 Oct 2013 23:22
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It's getting to be the season where the solar panel doesn't do much, and I need to get the batteries fully charged via a Honda 2kw and a charger. I've been charging with the little 12v cord that plugs in the generator, but that's not really adequate even for a pair of gold cart batteries.
Staying on the cheap side, what do you like for charging? I was thinking of something like the Iota 35amp charger, but could also just go for a less spendy car battery setup from Sears or Napa. Ideas for a small 200ah "system."?
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MtnDon
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# Posted: 31 Oct 2013 00:54
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The formula for determining charger amperage is C/10 or C/8
C= amp hour capacity of battery
200 amp-hour: C/10 = 20 or C/8 = 25
so 20 to 25 amp charger
3 or 4 stage type is best, like an Iota. Nice thing about Iota is they can be stacked if you get more batteries. Have to be same model/amperage plus an accessory.
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creeky
Member
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# Posted: 31 Oct 2013 09:26
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the powermax that i'm using is certainly cheap. look for the "boondocker" model it has a higher boost mode.
the pm3 i have has 3 charge stages, float, normal and boost. what i like is the little pot inside the box is adjustable. i run mine at 14.7.
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glcarr
Member
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# Posted: 31 Oct 2013 15:26
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I use the Genius brand they are great for deep charging of your batteries so they will last long on a charge. The best part they are dummie proof.
Check out their site they have one to fit everyone's budget. http://www.geniuschargers.com/shop?gclid=CPfc86XmwboCFWuCQgod0jEACQ
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toofewweekends
Member
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# Posted: 4 Nov 2013 01:53
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Thanks for the info and ideas.
MtDon, if I go with an Iota 30 amp (I think the smallest they make), am I setting myself up for a problem? Or is the Iota smart enough to avoid causing harm? I like that one, because I do see myself adding to the system in awhile as we are able to spend more time at the cabin.
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MtnDon
Member
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# Posted: 4 Nov 2013 14:39
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Quoting: toofewweekends go with an Iota 30 amp
should be okay but watch the battery temperature for a few times
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creeky
Member
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# Posted: 4 Nov 2013 15:24
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