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11-13-2017, 04:03 PM
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#1 |
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Not Yet Wild
Join Date: Nov 2017
Posts: 2
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Yamaha 2009 48v loses power going uphill
Hey guys. New member sorry if this has already been answered. Golf cart runs perfect when on flat ground but when going up even a slight hill the golf cart slows down and just stops. I get it on flat ground and runs fine. Please help!!
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11-13-2017, 04:05 PM
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#2 |
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Gone Wild
Join Date: Jul 2015
Posts: 151
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Re: Yamaha 2009 48v loses power going uphill
Sounds like time for new batteries
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11-13-2017, 04:29 PM
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#3 |
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Not Yet Wild
Join Date: Nov 2017
Posts: 2
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Re: Yamaha 2009 48v loses power going uphill
Brand new Trojan 1295s. Each battery is showing 12v and battery pack is testing 48v.
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11-13-2017, 05:04 PM
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#4 |
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Gone Wild
Join Date: Oct 2017
Location: Harrisburg, PA
Posts: 380
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Re: Yamaha 2009 48v loses power going uphill
Fully charged should be 12.6v and 50.4v so your pack may need charged first
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11-13-2017, 09:30 PM
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#5 | |
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Gone Wild
 Join Date: Nov 2016
Location: near Calgary, AB, Canada
Posts: 1,516
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Re: Yamaha 2009 48v loses power going uphill
Quote:
See the attached State of Charge chart. At 48.0 volts, your battery pack is at approx. a 43% state of charge ... which is very low! Most people use 50% (48.4 volts) as a low voltage cut off point where they try not to go below if possible in order to maximize their battery life. It is important to keep your batteries at as high of a state of charge as possible at all times to prevent sulfation from occurring ... a good practice is to charge your batteries after each and every use of your cart. I suggest performing a full charge on your batteries, disconnect the charger and let the voltage stabilize for 12 to 24 hours. Then measure your pack voltage and the individual battery voltage using a digital multi meter, and then compare the results to the State of Charge chart. Your pack and batteries should be at or above the 100% rating on the State of Charge chart. If not, then either your batteries are in a weakened state (possible sulfation) or your charger is not providing a sufficient charge. Report your results and the BGW members can assist in your troubleshooting. |
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11-13-2017, 10:41 PM
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#6 |
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Gone Wild
Join Date: Jan 2008
Location: Covington, TN
Posts: 1,942
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Re: Yamaha 2009 48v loses power going uphill
What brand charger do you have?
The flat light weight Yamaha chargers are notorious for going bad and not fully charging the batteries. |
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