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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-25-2014, 09:28 PM | #21 | |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,976
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Re: Cart can't last 18 holes, why?
Quote:
EVERYTIME you use the cart....recharge it.....and keep it charged at all times. there are times I may not use my cart for a few weeks, so after I have charged my cart.....and I haven't used it in a week or so, I go and start the charge cycle again to top them off.....its GOOD for the batteries to keep it topped off. and at least once a month, check the water levels. |
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04-25-2014, 09:37 PM | #22 | |
Not Yet Wild
Join Date: Aug 2013
Posts: 21
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Re: Cart can't last 18 holes, why?
Quote:
I already tested the batteries after a full charge (and letting them sit for 12 hours). Those numbers were posted earlier. The most recent numbers are after driving for 5 miles. So i technically already did that, but i still don't know what it all means. Why has my cart died the past 2 rounds if my batteries are fine? Both those times, the cart was driven maybe 6-7 miles. If i tested my batteries RIGHT before they were ready to die, what numbers would expect? 1.5V ?? |
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04-25-2014, 10:04 PM | #23 |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,976
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Re: Cart can't last 18 holes, why?
well your last round (9 holes) still had lots of life (80%) and should have lasted another 9 holes no problem. actually, a lot more than that. now we are not sure of your battery maintenance schedule over the last 2 years of their life.....do you keep the cart charged at all times? even in the winter? has it ever gone totally dead? \
the lowest you should ever let a 6v battery get down to is 6v (50% SOC) lower than that, detrimental damage has been done. |
04-26-2014, 05:11 AM | #24 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Cart can't last 18 holes, why?
What's maybe even worse than running the pack down too low, is letting it stay that way for a prolonged period. Even if you only run it down to 70%, it should be charged as soon as practical.
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04-26-2014, 06:47 AM | #25 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Cart can't last 18 holes, why?
You started at 38.19V (99.8% Soc) and ended at 37.58V (82.3% SoC) and traveled an estimated 5.5 miles, so the estimated max range of the cart without going below 50% SoC, is about 15.7 Miles.
Cold weather does reduce the range, but my numbers are based on the temperature ate the time the 5.5 miles was driven, so you should easily get 18 holes, if the back nine are the same as the front nine (3.0 miles) There is the possibility that you have a battery or two that drops out under load, but I'm more inclined to believe the problem is something other than the batteries. When the cart dies, how does it act? |
04-26-2014, 01:52 PM | #26 | |
Not Yet Wild
Join Date: Aug 2013
Posts: 21
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Re: Cart can't last 18 holes, why?
Quote:
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04-26-2014, 05:50 PM | #27 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Cart can't last 18 holes, why?
Quote:
Also, is it a series drive or DCS? What size tires are on it? Sounds like your battery pack is dying, but the voltage number you posted earlier doesn't indicate they are all that bad. |
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04-26-2014, 06:51 PM | #28 |
Gone Wild
Join Date: Feb 2011
Location: Chattanooga TN
Posts: 2,105
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Re: Cart can't last 18 holes, why?
Do you use any accessories such as a high wattage stereo/radio, or keep your lights on. Also up in cold weather land a battery cell may have frozen. I'd try jacking the rear wheels off the ground and running the motor long enough to get a voltage reading on the pack and the individual batteries. See if any of the individual batteries has an excessive drop. Also chock the front wheels.
Last edited by jjance; 04-26-2014 at 06:59 PM.. Reason: Add more information |
05-03-2014, 09:10 PM | #29 |
Not Yet Wild
Join Date: Aug 2013
Posts: 21
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Re: Cart can't last 18 holes, why?
Ok last test run/update.
Played 18 holes today and made it home with cart not dying. Total driving 7-8 miles. I checked the batteries about 2 hours after i made it home and here are the results. 6.23 6.23 6.10 6.21 6.21 6.24 Can we safely say it's not the batteries? |
05-04-2014, 12:33 AM | #30 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: Cart can't last 18 holes, why?
Read JohnnieB post #27 again.
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