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Charging Question???

1404 Views 25 Replies 7 Participants Last post by  Str8crazy80
How many hours or min. should I charge my deep cycle marine batterys. :uh: :uh: :uh:
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Get an automatic charger and let the charger worry about how long it takes. They shut off when they're done.
I think he is referring to how MUCH timing.... :uh:
Originally posted by cruize1@Oct 30 2003, 09:17 AM
I think he is referring to how MUCH timing.... :uh:
Well, that's what I mean. That question is impossible for any of us to answer because we don't know how discharged his batteries are, OR what type of charger he has or plan on getting. If you say over-night and he has batteries at around 80% and a manual charger, he's gonna be going into the garage the next morning to over-heated and very likely dead batteries and a big puddle of sulfuric acid. If he's around 20% and you tell him just a couple of hours, he's gonna hop back into a car full of still weak batteries.

So I stick to my original answer, "Get an automatic charger and let the charger worry about how long it takes." It could only take a few hours, or it could take overnight.

But if you REALLY want timing, you'll have to figure out your batteries current capacity, subtact it from it's capacity at full charge. Then divide that by how many amps your charger provides. Keep in mind though, most chargers taper off as the batteries get near their full-charge. So you'll have to get that spec sheet from the manufacturer to know the actual taper.

All of that being said, "Get an automatic charger and let the charger worry about how long it takes."



Last edited by BOUNCIN89MERC2LOW97LHS at Oct 30 2003, 06:24 PM
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thanks for your posts and here is what I have 4 duralast deep cycle marine batteries and a (Shumacker 225amp Battery Charger STA).
Originally posted by BOUNCIN89MERC2LOW97LHS+Oct 30 2003, 04:22 PM--></span><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td>QUOTE (BOUNCIN89MERC2LOW97LHS @ Oct 30 2003, 04:22 PM)</td></tr><tr><td id='QUOTE'><!--QuoteBegin--cruize1@Oct 30 2003, 09:17 AM
I think he is referring to how MUCH timing.... :uh:
Well, that's what I mean. That question is impossible for any of us to answer because we don't know how discharged his batteries are, OR what type of charger he has or plan on getting. If you say over-night and he has batteries at around 80% and a manual charger, he's gonna be going into the garage the next morning to over-heated and very likely dead batteries and a big puddle of sulfuric acid. If he's around 20% and you tell him just a couple of hours, he's gonna hop back into a car full of still weak batteries.

So I stick to my original answer, "Get an automatic charger and let the charger worry about how long it takes." It could only take a few hours, or it could take overnight.

But if you REALLY want timing, you'll have to figure out your batteries current capacity, subtact it from it's capacity at full charge. Then divide that by how many amps your charger provides. Keep in mind though, most chargers taper off as the batteries get near their full-charge. So you'll have to get that spec sheet from the manufacturer to know the actual taper.

All of that being said, "Get an automatic charger and let the charger worry about how long it takes."[/b][/quote]
This is the right answer to tell anyone, but be sure to disconnect the ground(safety reason) however some folks don't disconnect the ground :0
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I have the same charger, put the batteries on @ 5 amps and let'em go overnight(6-8hrs). disconnect'em in the morning and your good to roll.

But yes, bouncinwhateverhisnameis :biggrin: couldn't have said it better.
Originally posted by Montey C@Nov 2 2003, 10:10 AM
I have the same charger, put the batteries on @ 5 amps and let'em go overnight(6-8hrs). disconnect'em in the morning and your good to roll.

But yes, bouncinwhateverhisnameis :biggrin: couldn't have said it better.
bouncinwhateverhisnameis

:biggrin:
how would you charge all 6 at the same time.
Originally posted by caddymack@Nov 2 2003, 10:18 PM
how would you charge all 6 at the same time.
Hook them up parallel.
oh yeah and on my charger there is a switch that says hold is that the automatic shut off thing.
Originally posted by caddymack@Nov 2 2003, 08:51 PM
explain parallel
What dose parallel mean all of the batteries hooked up together???? :uh:
all pos to pos and neg to neg or pos to neg pos to neg
Originally posted by caddymack@Nov 2 2003, 11:47 PM
all pos to pos and neg to neg or pos to neg pos to neg
so dose that mean that i can leave them hooked up and charge them but disconnect the ground???
nah man i dont know realy thats what im askin i tryed to do that and i hooked the charger up to the first batt but i dont think it worked.
Originally posted by caddymack@Nov 3 2003, 12:11 AM
nah man i dont know realy thats what im askin i tryed to do that and i hooked the charger up to the first batt but i dont think it worked.
well i wanna know so i dont have to charge them one by one but i dont wanna mess them up?? :uh: :uh:
Before someone blows there shit up... parallel is connecting all of your batteries' positives together, and all of the negatives together. That way, they still add up to 12 volts.

And come on people, how 'bout a little punctuation. I can't understand what half of you are trying to say sometimes.
sorry about that. But I got one more question when you hook them up parallel can you still charge them for (6 to 8 hrs.) at 5 amps???
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