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Unread 12-05-2015, 05:41 PM   #1
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Default Load testing an 8 volt battery

I just got a load tester to test my 8volt batteries but the question is what should the reading drop to when the load is put on each individual battery? Like they start with about 8.6 volts but when they drop what is the lowest the should go to know if they are bad or not?
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Unread 12-05-2015, 07:07 PM   #2
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Default Re: Load testing an 8 volt battery

A golf cart is the best tester. Likely you have a 50 amp or a 100 amp tester. That's good for car batteries but golf cart batteries should be tested at 2 to 3 times this load. The cart itself will provide the load under hard start preferably uphill.
Simple fix alligator clamps to your meter and test each battery. A drop of 1v is acceptable under severe load. a drop of 2v or more indicates a bad cell.

Take paper and pen and write down the before voltage and load voltage drop. Post the results here.
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Unread 12-05-2015, 08:00 PM   #3
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Default Re: Load testing an 8 volt battery

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Originally Posted by scottyb View Post
A golf cart is the best tester. Likely you have a 50 amp or a 100 amp tester. That's good for car batteries but golf cart batteries should be tested at 2 to 3 times this load. The cart itself will provide the load under hard start preferably uphill.
Simple fix alligator clamps to your meter and test each battery. A drop of 1v is acceptable under severe load. a drop of 2v or more indicates a bad cell.

Take paper and pen and write down the before voltage and load voltage drop. Post the results here.
Okay that sounds good. I can't really drive the cart as of right now I took it apart to change the frame out and I live in New York so I decided to make it a winter project. I was really hoping I could test the batteries individually since they were out of the cart and just sitting in the basement. But I guess I have to wait until spring to try them out.
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Unread 12-05-2015, 09:10 PM   #4
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Default Re: Load testing an 8 volt battery

The best thing you can do for those batteries is put them on a piece of wood and hook them to a battery maintainer. Until you can put them back in the cart. If you wait until spring they may not make it.

You can hook them all together to do this.
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Unread 12-05-2015, 11:47 PM   #5
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Default Re: Load testing an 8 volt battery

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Originally Posted by 87chevy View Post
Okay that sounds good. I can't really drive the cart as of right now I took it apart to change the frame out and I live in New York so I decided to make it a winter project. I was really hoping I could test the batteries individually since they were out of the cart and just sitting in the basement. But I guess I have to wait until spring to try them out.
Where in NY are you?
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Unread 12-06-2015, 12:26 AM   #6
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Default Re: Load testing an 8 volt battery

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Originally Posted by mrgolf View Post
The best thing you can do for those batteries is put them on a piece of wood and hook them to a battery maintainer. Until you can put them back in the cart. If you wait until spring they may not make it.

You can hook them all together to do this.
Is there a special battery maintainer I need or can it be a car one? I already have them on a pallet.
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Unread 12-06-2015, 12:27 AM   #7
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Default Re: Load testing an 8 volt battery

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Where in NY are you?
Poughkeepsie area!
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Unread 12-06-2015, 03:38 AM   #8
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Default Re: Load testing an 8 volt battery

Do you have a cart charger?
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Unread 12-06-2015, 12:01 PM   #9
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Default Re: Load testing an 8 volt battery

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Do you have a cart charger?
Yeah I do but like just the normal one that I plug into the cart
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Unread 12-06-2015, 04:15 PM   #10
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Default Re: Load testing an 8 volt battery

It may be worth it for you to buy a 48 volt battery maintainer.
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