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Unread 12-06-2017, 11:10 AM   #1
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Default Battery gauge to monitor each 6v battery on a 48v pack

Hello Everyone,

Iím new to the golfcat world and also new to the forum 😊. Anyway I just recently picked up a lifted 48v ezgo TXT Shuttle (2002 I think) that has some pretty big 25Ē tires on it. The previous owner said the entire drivetrain was stock. It currently has Costco 6v batteries that are about 4 years old according to the stickers. It seams that the cart starts slowing down in speed after only using it around my neighborhood for less than 45 mins. There are no hula and Iím on pavement. I was wondering if there are any digital gauges that I can install to monitor each battery or do I need to just get a separate gauge for each one? Iím trying to avoid having to get new batteries for now and want to see if these batteries are still good.... after I charged it I did get a 48v reading and each battery was at 6.1v. It just seems that it doesnít last long on the road. Thanks guys and any advice is greatly appreciated. Also Iím located out in Hawaii so batteries are limited and expensive here also shipping batteries are almost impossible to get here. 😊👍🏽🤙🏽
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Unread 12-06-2017, 12:02 PM   #2
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Default Re: Battery gauge to monitor each 6v battery on a 48v pack

You can see by the chart attached that 6.1 v is less than 60% charged and 50 % is time to recharge. So, if this reading is taken after a fresh charge, you are ready for new batteries.
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Unread 12-06-2017, 12:34 PM   #3
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Default Re: Battery gauge to monitor each 6v battery on a 48v pack

Quote:
Originally Posted by scottyb View Post
You can see by the chart attached that 6.1 v is less than 60% charged and 50 % is time to recharge. So, if this reading is taken after a fresh charge, you are ready for new batteries.
Awesome Scottyb that’s a good reference chart. Ok Let me give a little info on my charger I got from the old owner. It’s a Lestronic II Model: 20330-98 the problem I have is that he has removed the auto shutoff in the charger because he said it went bad and costed too much to replace the part and so he bypassed it but now it will not shut off without unplugging it and so I’m not sure how long I should run it without damaging the batteries..... If I’m reading 6.1v on each battery how long should I keep changing it to see if will go up more? And how long on average should I charge the batteries if I’m at %50? Sorry if this is such an amateur question lol I’m just trying to make sure I can use these batteries to the fullest before getting new ones as it is really expensive here haha. Thanks again
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Unread 12-06-2017, 12:46 PM   #4
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Default Re: Battery gauge to monitor each 6v battery on a 48v pack

Golf cart batteries are require 3 stage charging. Your hot-wired charger is giving only one phase. You need to act fast and repair that charger. These batteries are failing by the day.
Check water levels then
Charge the pack until it reaches 50v
Check all the batteries as the pack reaches 48v and report each battery voltage here, Then let the pack sit 12 hours and report the individual voltages again.
While it is charging go online and order the control board for this charger.
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Unread 12-06-2017, 02:34 PM   #5
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Default Re: Battery gauge to monitor each 6v battery on a 48v pack

Quote:
Originally Posted by scottyb View Post
Golf cart batteries are require 3 stage charging. Your hot-wired charger is giving only one phase. You need to act fast and repair that charger. These batteries are failing by the day.
Check water levels then
Charge the pack until it reaches 50v
Check all the batteries as the pack reaches 48v and report each battery voltage here, Then let the pack sit 12 hours and report the individual voltages again.
While it is charging go online and order the control board for this charger.
Thanks Iíll check it when I get home. Mean while Iíll look for the part of just look into getting a new charger 😫
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