fast battery discharge

A.D. · 04-18-2015, 09:52 AM

After charging my batteries all of them read 6.4v but after running just a few miles they all read 6.1v - 6.2v. What could be causing them to go dead so quickly?

teecro · 04-18-2015, 10:06 AM

How old are they, how well have they been maintained as in water level and frequency of charge?

A.D. · 04-18-2015, 10:07 AM

Less than 1 year old and water levels have been maintained and have been charged after every use.

scottyb · 04-18-2015, 10:38 AM

Redo this test for each individual battery and see if you can find one that is worse than the others....one bad battery can let the pack down.

A.D. · 04-18-2015, 11:02 AM

I had the batteries tested and it said they where good just need charging. Im going to charge them and take them back up there and have them tested

rib33024 · 04-18-2015, 01:47 PM

where did you get the batteries tested

A.D. · 04-18-2015, 05:13 PM

Autozone tested them

teecro · 04-18-2015, 05:28 PM

While you could have one or more battery that could be defective.... Have you checked that your cart rolls freely? Check that your wheel bearings and brakes are not dragging, is the tire pressure too low? Too much toe in on the front end can make the cart hard to push. Tight motor bearings? Is all of your big battery to controller to motor wiring all clean and tight?

HiTechRedNeck · 04-18-2015, 05:34 PM

maybe JohnnieB will chime in soon..

But till then, Autozone uses automotive style tester (at least here) .
The automotive tester does not put enough load on the batts to really test them.

JohnnieB · 04-19-2015, 06:37 PM

Let your batteries "Rest" at least 15 minutes (30 minutes is what I use when battery testing) after driving cart to get a reasonably accurate at-rest voltage.

Checking the voltage immediately after stopping will give you low voltage readings.

04-18-2015, 09:52 AM	#1
A.D. Gone Wild Join Date: Sep 2008 Posts: 192	fast battery discharge After charging my batteries all of them read 6.4v but after running just a few miles they all read 6.1v - 6.2v. What could be causing them to go dead so quickly?
A.D. Gone Wild Join Date: Sep 2008 Posts: 192

04-18-2015, 10:06 AM	#2
teecro Gone Wild Join Date: Jun 2014 Location: Sunset Bay, TN Posts: 2,390	Re: fast battery discharge How old are they, how well have they been maintained as in water level and frequency of charge?

04-18-2015, 10:07 AM	#3
A.D. Gone Wild Join Date: Sep 2008 Posts: 192	Re: fast battery discharge Less than 1 year old and water levels have been maintained and have been charged after every use.
A.D. Gone Wild Join Date: Sep 2008 Posts: 192

04-18-2015, 10:38 AM	#4
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,408	Re: fast battery discharge Redo this test for each individual battery and see if you can find one that is worse than the others....one bad battery can let the pack down.

04-18-2015, 11:02 AM	#5
A.D. Gone Wild Join Date: Sep 2008 Posts: 192	Re: fast battery discharge I had the batteries tested and it said they where good just need charging. Im going to charge them and take them back up there and have them tested
A.D. Gone Wild Join Date: Sep 2008 Posts: 192

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04-18-2015, 01:47 PM	#6
rib33024 ...................... Join Date: Apr 2009 Location: FT Lauderdale FL. Posts: 16,416	Re: fast battery discharge where did you get the batteries tested

04-18-2015, 05:13 PM	#7
A.D. Gone Wild Join Date: Sep 2008 Posts: 192	Re: fast battery discharge Autozone tested them
A.D. Gone Wild Join Date: Sep 2008 Posts: 192

04-18-2015, 05:28 PM	#8
teecro Gone Wild Join Date: Jun 2014 Location: Sunset Bay, TN Posts: 2,390	Re: fast battery discharge While you could have one or more battery that could be defective.... Have you checked that your cart rolls freely? Check that your wheel bearings and brakes are not dragging, is the tire pressure too low? Too much toe in on the front end can make the cart hard to push. Tight motor bearings? Is all of your big battery to controller to motor wiring all clean and tight?

04-18-2015, 05:34 PM	#9
HiTechRedNeck Gone Wild Join Date: Aug 2014 Location: Duncan Corners Posts: 905	Re: fast battery discharge maybe JohnnieB will chime in soon.. But till then, Autozone uses automotive style tester (at least here) . The automotive tester does not put enough load on the batts to really test them.

04-19-2015, 06:37 PM	#10
JohnnieB Techno-Nerd Join Date: Jun 2011 Location: West Virginia Posts: 19,654	Re: fast battery discharge Let your batteries "Rest" at least 15 minutes (30 minutes is what I use when battery testing) after driving cart to get a reasonably accurate at-rest voltage. Checking the voltage immediately after stopping will give you low voltage readings.

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