Correct battery information for monitor - Fiberglass RV


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Old 01-31-2011, 10:08 AM   #1
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Correct battery information for monitor

In setting up my battery monitor, I have a couple of questions. I have a Deka marine master DP27. It says CCA=650, 23 amp 175 min. The battery monitor wants to know.
1. "Charged" set point voltage. 10 to 65.0 volts (preset at 28.6)
2. "Charged" set point amps. 1 to 100 (preset to off)
3. "Battery capacity amp hours 10 to 10000 (preset at 400)

On #1; I don't see anything on voltage.

On #2; Would my set point amps be 23?

On #3; I'm confused because with 175 min on battery, wouldn't this be 2.9 amp hours, which is less than the 10 min?

Thanks
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Old 01-31-2011, 10:27 AM   #2
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that sounds like a starting battery.
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Old 01-31-2011, 10:56 AM   #3
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I purchased it at Curtis trailers. They said that this is what is put in all their trailers.
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Old 01-31-2011, 11:24 AM   #4
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Danny, I just looked at my battery it's a dual purpose marine battery from auto zone. It says 1000 cranking amps wich I didn't realize 115 amp hrs, that I did know, the amp thing is a math problem that I do not understand. My charger has settings of 2,6,10 amps I use the 6 amp setting and everything seems to be okay.
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Old 01-31-2011, 12:25 PM   #5
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Thanks for the reply Greg. I checked and your correct that it's a starter battery. I talked with Curtis trailer today and they said that's what is typically sold unless the person wants a gel battery.
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Old 01-31-2011, 12:55 PM   #6
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I did more reading on the battery specs and it says to charge the battery to 14.2v to "overcome internal pressure during charging". I think this must be the "Charged " setpoint voltage. I'm still trying to find information on amp minutes to amp-hours. I did find that it based on 20 hour draw on the battery. If I figure my battery at 23 amp for 175 minutes and convert that to 1 hours it comes to 67 amps. So 67 divided by 20 hours = 3.3542 amp hours. Anyone know if this is correct?
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Old 01-31-2011, 01:02 PM   #7
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Called Deka and found the information. Had a brain freeze as I should have done that first.
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