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Old 09-19-2018, 04:23 PM   #1
fltekdiver
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Default Checking batteries

Judt bought a 2015 CP

Original batteries

How can I tell if they are good?

They hold a charge, and drive around the neighborhood
But I dont want to go 7 miles each way until I know they can make it
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Old 09-19-2018, 07:54 PM   #2
NoleFan4Ever
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Default Re: Checking batteries

Without hooking them to a machine and load testing them, the only thing you can do is check the SG and the SOC 12 hours after a completed charge. If you have all green or good SG and the voltage is 50.9 or higher, then just go by your amp-hour rating and drive them for a test run....
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Old 09-19-2018, 08:56 PM   #3
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Default Re: Checking batteries

Ok thanks

To check the voltage I just check the 2 leads hanging in the rear off the batteries right?
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Old 09-20-2018, 06:27 AM   #4
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Default Re: Checking batteries

Quote:
Originally Posted by fltekdiver View Post
Ok thanks

To check the voltage I just check the 2 leads hanging in the rear off the batteries right?
Pack Voltage is measured at the Main Pos (Red wire going to the Solenoid) and the Main Neg (Black wire going to the back of the cart). They will be the first cable on one side (Red) and the last cable on the other side (Black).
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Old 09-20-2018, 06:33 AM   #5
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Default Re: Checking batteries

Got it thank you!
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Old 09-20-2018, 06:00 PM   #6
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Default Re: Checking batteries

There 2014, but holding a full charge at 50.2

I should probably just replace them right ?
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Old 09-20-2018, 06:11 PM   #7
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Default Re: Checking batteries

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Originally Posted by fltekdiver View Post
There 2014, but holding a full charge at 50.2

I should probably just replace them right ?
I would not. Holding that good of voltage I would get all the bang out of my bucks....
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Old 09-20-2018, 06:12 PM   #8
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Default Re: Checking batteries

I JUST retired my 10 (yes, TEN year old US's) in August.
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Old 09-20-2018, 06:16 PM   #9
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Default Re: Checking batteries

Ok cool, their reading 50.2

Thanks !
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Old 09-20-2018, 08:30 PM   #10
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Default Re: Checking batteries

50.2 volts fully charged is about 84% state of charge ... which is kind of low for a fully charged pack.

I would suggest giving your cart a full charge, disconnect the charger and let the battery voltage stabilize for 12 to 24 hours and then take the fully charged, stabilized voltage of each battery. Compare the voltages to the attached chart to see if all the batteries are weak or if you have one or two weak batteries.

Report back with the individual voltages and we can give you a better recommendation on how to proceed.
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File Type: jpg Carts Unlimited State of Charge Chart.JPG (71.0 KB, 0 views)
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