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Old 08-08-2018, 12:16 PM   #3
joesam
Gone Wild
Club Car
 
Join Date: Sep 2012
Location: Chestermere, Alberta - Canada
Posts: 1,146
Default Re: Battery problem?

Those measurements are not useful to determine battery health. Voltage of the entire pack needs to be measured AFTER the cart has been sitting off-charger for at least 10 hours. Then report the overall voltage measured. That will determine their "relative" health and capacity.

To determine if one battery is failing when the amps are demanded going up hills - connect your DVM to each battery (one-at-a-time) and drive up a steep hill. Repeat this for each battery. Very likely, at least one of them will drop its voltage a bunch - and is the cause of hill-creeping. Of course, at 5 1/2 years you should not replace just one battery - the whole pack will need to be replaced.

What you describe sounds a lot like aging/failing batteries.
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