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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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10-11-2010, 03:53 PM | #1 |
Not Yet Wild
Join Date: Oct 2010
Location: Buckeye, AZ
Posts: 74
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Replace Batteries, Charger or Both?
Serial No. 299370, Manufacturer Code H2283
Hello everyone. Thanks in advance for your help. I have some questions about my 1983 EZGO Marathon Resistor Cart. Here is my info: Batteries: Six Interstate U2200 6V, manufactured in June 2006 (see pic) Battery Charger: EZ-GO Textron Automatic Charger (see pic), 36V 25A DC, Serial No 8306985, angle connector ( / \ ) All water levels are good. The battery pack was charged for 12 hours and then sat for 12 hours. Voltage was measured using a multimeter and was compared to the “State of Charge” table. The specific gravity was measured using a hydrometer and was compared to the “State of Charge” table. Measurements: Pack Voltage: 33.2V Battery 1: 6.16V (65% charged) > Cell SG: 1.220, 1.165, 1.230 (64% avg capacity) Battery 2: 4.38V ( 0% charged) > Cell SG: 1.155, 1.230, 1.230 (64% avg capacity) Battery 3: 4.11V ( 0% charged) > Cell SG: 1.210, 1.100, 1.225 (52% avg capacity) Battery 4: 6.16V (65% charged) > Cell SG: 1.240, 1.195, 1.220 (70% avg capacity) Battery 5: 6.13V (61% charged) > Cell SG: 1.225, 1.205, 1.200 (67% avg capacity) Battery 6: 6.22V (78% charged) > Cell SG: 1.240, 1.225, 1.240 (78% avg capacity) Observations:
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10-11-2010, 05:33 PM | #2 |
Gone Wild
Join Date: Mar 2009
Location: Roseville, CA
Posts: 2,757
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Re: Replace Batteries, Charger or Both?
All your batteries are shot.
The smell is your batteries cooking, hydrogen sulfide. The ground wire to the chassis is a no no. It was probably put there to ground accessories or lights. Nothing on an electric cart gets grounded to the frame. Probably won't know much about your charger until you get some decent batteries in there. Best price on GC-2 batteries I found is at Sam's Club $72 each. |
10-11-2010, 06:49 PM | #3 | ||
Not Yet Wild
Join Date: Oct 2010
Location: Buckeye, AZ
Posts: 74
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Re: Replace Batteries, Charger or Both?
Thanks for the reply dougmcp. Looks like I'm going to Sam's soon.
Agreed. Good to know. Quote:
Quote:
I just priced them at $67 each at Sam's in Arizona. |
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10-26-2010, 04:54 PM | #4 |
Not Yet Wild
Join Date: Oct 2010
Location: Buckeye, AZ
Posts: 74
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Re: Replace Batteries, Charger or Both?
UPDATE:
The batteries are definitely shot. I tested the charger on a different 36v battery pack and it went to 23 amps immediately. After five hours the charger was at 8 amps and after ten hours the charger was at 5 amps. Looks like the charger is doing it's job. Time to get new batteries. |
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