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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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12-17-2014, 03:47 PM | #1 |
Gone Wild
Join Date: Jun 2013
Posts: 181
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6.5volts after full chrge
I get 6.5 volts on each battery after a full charge. They just dont seem to last that long. I want to say maybe a couple hours total run time.
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12-17-2014, 04:07 PM | #2 |
Guest
Posts: n/a
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Re: 6.5volts after full chrge
is that reading after 12hr sitting ?
also batteries dont last as long in cold eather |
12-17-2014, 04:57 PM | #3 |
Getting Wild
Join Date: Aug 2014
Location: SC
Posts: 133
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Re: 6.5volts after full chrge
Depends on a variety of factors. Like crash test dummy said above, cold weather decreases run time. How old are the batteries? Any mods? I recently changed out my 4 12 volt trojans. They would read 50.2 volts after a full charge but wouldn't last a long time running. They were 2009's though.
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12-17-2014, 07:00 PM | #4 |
Gone Wild
Join Date: Jun 2013
Posts: 181
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Re: 6.5volts after full chrge
Not cold, Batteries are 2 years old. After maybe 8 hrs sitting
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12-18-2014, 11:28 AM | #5 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: 6.5volts after full chrge
Quote:
Cart batteries typically lose around 6.25% of their rated AH capacity for every 10°F below 80°F. Run time is determined by the AH stored in the batteries and how many Amps your particular cart withdraws from the battery pack as it moves, so a short run time means either the cart uses a lot of Amps to move, or the battery pack doesn't store many AH. If you had a set of T-105 batteries and you cart averaged 75A while moving, the run time to 50% SoC would only be about an hour of steady moving. |
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12-18-2014, 11:43 AM | #6 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: 6.5volts after full chrge
Sometimes a simple load test will help determine the health of a battery or pack. Use the cart as the load and a simple DMM for voltage readings while driving (preferably uphill)
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