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Unread 05-01-2011, 06:47 PM   #1
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Default how to connect an external 12V charger?CA2 LSV

My Carryall 2 LSV won't take a charge. I know it is because the batteries are too low to "notify"the auto-charger. What is the proper way to hookup 12V charger cables and charge the individual batteries since the 8-6V batteries are interconnected? thanks for the help.
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Unread 05-01-2011, 06:59 PM   #2
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Default Re: how to connect an external 12V charger?CA2 LSV

Charge 2 batteries at a time. Make sure that you have 2 connected in series and then use the charger as you would on a car.

You should only have one cable connected between the bat's, from one negative battery post to the other battery positive post. Take all the other cables off. Then hook the charger to the Neg on the bat that has the negative open post and the Positive to the other battery which has the Positive open post. That will allow the batt's to charge as if they were a single 12v.
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Unread 05-01-2011, 07:07 PM   #3
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Default Re: how to connect an external 12V charger?CA2 LSV

If you hook charger correctly, there is no need to remove any other cables. Just start at your first two batteries and move 12v charger to the next two when charge completed. Charger we only "see" the two batteries you have it connected to. Use a DVM to determine correct connection or most newer chargers won't come on unless it connected correctly.
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Unread 05-01-2011, 07:12 PM   #4
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Default Re: how to connect an external 12V charger?CA2 LSV

Quote:
Originally Posted by buckmanmike View Post
If you hook charger correctly, there is no need to remove any other cables. Just start at your first two batteries and move 12v charger to the next two when charge completed. Charger we only "see" the two batteries you have it connected to. Use a DVM to determine correct connection or most newer chargers won't come on unless it connected correctly.
Thanks for the help.
I wasn't sure if you could leave all the other cables on and was 100% sure that nothing would get damaged if I told em to disconnect the other cables..
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Unread 05-01-2011, 08:49 PM   #5
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Default Re: how to connect an external 12V charger?CA2 LSV

Quote:
Originally Posted by buckmanmike View Post
If you hook charger correctly, there is no need to remove any other cables. Just start at your first two batteries and move 12v charger to the next two when charge completed. Charger we only "see" the two batteries you have it connected to. Use a DVM to determine correct connection or most newer chargers won't come on unless it connected correctly.
This is possible because electric golf carts use a floating / relative ground. If the batteries used chassis ground , it would be different and U would have to disconnect cables and isolate 2 batteries at a time.
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Unread 05-07-2011, 05:46 PM   #6
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Default Re: how to connect an external 12V charger?CA2 LSV

A couple more questions on those helpful replies;
Does it matter at which end of the battery chain I start charging or is that not a concern?
How long will it take a 12V 6A charger to get each set of 2 batteries up to snuff for the IEQ charger to then sense enough voltage to kick on?

Thanks for the help.
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Unread 05-07-2011, 05:55 PM   #7
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Default Re: how to connect an external 12V charger?CA2 LSV

6 amps isn't very much umph! IF it has a higher setting that would be good. Depending on how low your batteries are? About 1 hour should bring them up to 12v a pr if they are going to come up at all? Charge a pr at one end of the pack and then the pr at the other end of the pack, then connect the middle pr. Start charging the middle pr and plug the cart charger in... wait until the cart charger starts and simply remove the auto charger. Let the cart charger run until it auto shuts off or 12 hours, which ever comes first.

Hope this helps
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