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Unread 07-20-2012, 04:03 AM   #1
Not Yet Wild
 
Join Date: Jul 2012
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Exclamation Batteries not holding charge

My EZGO Freedom RXV is about 3 yrs old but hardly used. It was OK until about a month ago, I would get 2 1/2 rounds in comfortably. But now even though it is fully charges I only get 5 or 6 holes before I have charge problems.

The charge meter suddenly drops to zero and the light comes on. I switch it off and on again and the charge is full. Tonight after doing this about 20 times suddenly the charge was back to full and it worked fine! One strange thing...sometimes when the dial is on zero and the light on, if I depress the brake the metre shoots up to fully charged and the cart goes fine

Can't see how it can be the batteries and all connections are clean and solid.

Anyone with any ideas?
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Unread 07-20-2012, 05:31 AM   #2
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Location: West Virginia
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Default Re: Batteries not holding charge

Welcome to BGW!

If the cart is 3 years old and hardly used, are the batteries 3 years old and hardy maintained?

Even new batteries fail and the lower end of the life expectancy for moderately well maintained cart batteries is in the 3 to 5 year range, so the problem may very well be the batteries.

I'm not saying they are causing the problem or that they aren't, I'm just saying that they could, and wouldn't eliminate them from the list of likely suspects without proper investigation.

Using a handheld DVM, what is the battery pack voltage when the cart is misbehaving?

You should never, ever, discharge the batteries below 50%, so you should have from about 48.41V (50%) up to about 50.93V (100%).
If you don't, the battery pack is bad.
If you do, your dash mounted State of Charge gauge is lying to you.

I'm not familiar with RXVs and don't have a schematic for one, so I can't help you any further than proving or disproving the battery pack is the problem.
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Unread 07-20-2012, 05:39 AM   #3
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Default Re: Batteries not holding charge

Appreciate your advice. I will check out the batteries. Good to speak to someone in the States.

Cheers from Australia :)
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