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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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06-21-2018, 09:45 AM | #1 |
Not Yet Wild
Join Date: Dec 2017
Posts: 19
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Batteries dead
I was working on my 2013 TXT 48V for the last few months. I let the batteries get really low. Charger wont kick on now. Any tips on how I can get them charged? I dont have another cart I could "jump" with.
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06-21-2018, 10:03 AM | #2 |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,948
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Re: Batteries dead
You can use a 12v car battery charger to boost the voltage on each individual battery until the pack gets enough volts for the charger to recognize it. Obviously, with a 12v charger on an 8v battery you wan't to keep an eye on things.
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06-21-2018, 10:04 AM | #3 |
Gone Wild
Join Date: Sep 2016
Location: Northern California
Posts: 1,300
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Re: Batteries dead
You’re going to have to charge them individually with an automotive type charger until you get pack back up to the minimum voltage for your 48v charger. I’d check the water level too. I know I’ve read to charge first, then top off, in normal circumstances, so they don’t end up overfilled, but I’d make sure they’re not too dry. We’ll see what the experts say about that.
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06-21-2018, 10:12 AM | #4 |
Not Yet Wild
Join Date: Dec 2017
Posts: 19
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Re: Batteries dead
How would I boost with a 12v charger to a 8v battery? Wont have any issues?
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06-21-2018, 10:39 AM | #5 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,215
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Re: Batteries dead
I did this yesterday MrPham. Connect a 12 volt trickle charger to each battery. Watch the voltage with your voltage meter. You will have to unplug the charger each time you check each battery. Depending on your cart charger I would say you should get each battery to around 6-7 volts for it to come on. I would do as Orangeman says and make sure they are not extremely low before charging, then top off later. Distilled water of course.
Sadly, with anything mechanical/electrical etc. there is never any guarantee you won't have issues. |
06-21-2018, 04:34 PM | #6 | |
Gone Wild
Join Date: May 2011
Location: Pittsburgh
Posts: 2,948
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Re: Batteries dead
Quote:
Just put the 12v charger on the batteries, one at a time. Turn it on and let it do its thing BUT check on it every 1/2 hour or so and, like Mooncrater said, check the battery to see how high it is. Once you get each one to 7 to 8 volts switch over to your cart charger. |
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06-21-2018, 07:20 PM | #7 | |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,215
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Re: Batteries dead
Quote:
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06-24-2018, 08:54 PM | #8 |
Not Yet Wild
Join Date: Dec 2017
Posts: 19
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Re: Batteries dead
What is the min voltage for the battery pack so they charger will kick on? I am about at 30 volts but the charger still blinks red 2 times when plugged in.
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06-25-2018, 08:41 AM | #9 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Batteries dead
About 30V is what 36V chargers need to turn on, so I would guess 48V chargers will need about 40V.
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06-25-2018, 10:17 PM | #10 |
Not Yet Wild
Join Date: Dec 2017
Posts: 19
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Re: Batteries dead
i get a few of the batteries up to about 7volts, they try to charge another one. Then a few of them will drop back to 4-5 volts...
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