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Unread 07-22-2008, 01:40 PM   #1
Gone Wild
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Join Date: May 2008
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Default obc question?

I recently upgraded all my cables to 2/0 cable, overkill I know, the new cable does not fit through the OBC. The charger still kicks on but seems to charge longer than before. Is this something to be concerned about. I checked all the batteries after a charging cycle and had almost 15 volts each(12 volt batts). thanks
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Unread 07-22-2008, 08:04 PM   #2
nimda
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Default Re: obc question?

What do they read an hour after the charge cycle is finished? Sounds like automotive 12 volt starting batteries.
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Unread 07-22-2008, 08:14 PM   #3
Gone Wild
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Default Re: obc question?

I'll check, they are actually 12 volt deep cycle marine trolling everstart max batteries. 125 amp hours, but they are oversized and quite heavy. I know they are not preferred, but I can ride all day at work for two days on my 20 acre yard or the kids can ride all weekend on a charge. I use these until I'm ready to sell the cart then give the purchaser the option to have brand new trojans, I've actually had great luck with these batteries, for less than half the money. I just charge them individually on a schedule. Is 15 amps not too much for a twelve volt fresh off charger? thanks roady, you really know youre business, wish you were a little closer to houston, by the way check the cart out in members rides and tell me what you think. Maybe I could get your suggestions for my questions there.
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Unread 07-22-2008, 08:22 PM   #4
nimda
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Default Re: obc question?

My first impression was it was a little high but not really if it just came off the charger. If that was an hour after all I could say would be..."I want some of those". My guess is you take pretty good care of your batteries? I mean...the higher the better at least to a point. (frying controllers) Last curtis controller I had would over voltage shutdown at 42 volts....your right at 45 volts. If you have a 48 volt controller you should not have any problems.
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Unread 07-22-2008, 08:25 PM   #5
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Default Re: obc question?

It is a 48 volt controller, I'm running 4 batts so more like 55-58 volts????
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Unread 07-22-2008, 08:30 PM   #6
nimda
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Default Re: obc question?

Shouldn't be a problem.
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Unread 07-23-2008, 12:38 AM   #7
Gone Wild
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Default Re: obc question?

Would this contactor be enough, or does the amperage continually go through the f/r? Would I need something bigger?

http://www.cloudelectric.com/inc/sdetail/684


thanks again for all your help
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Unread 07-23-2008, 08:45 AM   #8
nimda
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Default Re: obc question?

Thats exactly what you need. There are not many options out there for a reversing contactor.....I "think" there is a way to take a couple solenoids and do the same thing but it's just easier to buy one.
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Unread 07-23-2008, 09:04 PM   #9
The Last Moja Morani
 
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Default Re: obc question?

that cable has to be run thur the OBC............fix that your good...........................
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Unread 07-23-2008, 09:27 PM   #10
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Default Re: obc question?

Should I downsize this wire to fit? The cart seems to charge fine. When I first upgraded cables it seemed like it was charging longer than usual but now it's 100% in 4-5 hours if I run it low. From everything I've read this has to be routed thru OBC for charger to work?? Possibly previous owner bypassed relay? anyone know? Roady, the voltages were all at 13.31 this morning but I'm sure it had been off of the charger for more than an hour probably 8-10 hours. I ran it hard most of the day through mud and hauling material and climbing every thing I could find on site and they read 13.07,13.05. I have tried a few 12 volts and this model is by far the best I've had. And yes sir I do take good care of them. thanks again
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