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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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12-19-2014, 02:09 PM | #41 | |
Gone Wild
Join Date: Oct 2009
Posts: 486
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Re: #1 battery loses charge
Quote:
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12-19-2014, 02:30 PM | #42 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: #1 battery loses charge
Getting cart owners to charge their FLA batteries after each use, is difficult, getting them to equalize their battery cells properly, is next to impossible.
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12-19-2014, 02:52 PM | #43 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: #1 battery loses charge
There is no external draw from the bank that would cause one battery position to consistently to be lower than the others. The one battery substituted has a different amount of charge because its internal resistance is different (probably lower) than the others. This is why replacing one new battery in a bank of old batteries is not recommended.
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12-19-2014, 06:13 PM | #44 |
Gone Wild
Join Date: Aug 2010
Location: Marion, Ohio
Posts: 1,391
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Re: #1 battery loses charge
I'd like to hear more about proper equalization. I'd say once a month or so I do the "soak charge" the day after a recharge. It seems to have worked pretty well so far. Could I be doing a better job?
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12-19-2014, 06:40 PM | #45 |
Not Yet Wild
Join Date: Dec 2014
Posts: 8
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Re: #1 battery loses charge
That battery is going bad. It doesn't matter what position the battery is. If you get a voltage reading around 36 volts at the carts charger plug the batteries are connected correctly. batteries that are taken care of should last approx. 7 or 8 years.
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12-19-2014, 06:59 PM | #46 |
Gone Wild
Join Date: Oct 2009
Posts: 486
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Re: #1 battery loses charge
Start a thread. What I will say to wet your appetite is EQ is a controlled over charge, and it does do some damage in the form of plate corrosion and should only be performed as needed. Start a thread and I will go into more detail.
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12-19-2014, 07:51 PM | #47 | |
Gone Wild
Join Date: Jul 2013
Location: Mid Michigan
Posts: 207
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Re: #1 battery loses charge
Quote:
Just for confusion let's name the batteries; Tom, Dick, Harry, etc. If I understand what you said above, you set up the pack with Tom as #1. Then you ride and Tom goes low, so you recharge all the batteries. Now, you move Dick to #1 and ride again, but this time Dick goes low, (ok, I know there's gonna be a BUNCH of comments on this wording...) BUT, Tom in his new position, stays up, is that what you are saying? That it doesn't matter WHO is in the #1 position, they will go low? Or did I misunderstand and you meant that Tom goes low, no matter which position he is placed in in the pack? |
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12-20-2014, 08:59 AM | #48 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: #1 battery loses charge
Current flows from negative to positive. Battery #6 is the negative end and battery #1 is on the positive end. All the little electrons from battery #6 flows through four batteries to reach #1 and they are just worn out by the time they get to battery #1 and they just don't work as hard.
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12-20-2014, 11:28 AM | #49 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: #1 battery loses charge
Quote:
That is true using the electron current flow model and the opposite is true using the conventional current flow model. Ever notice that the arrows on solid state device point the wrong way? It is because they are based on conventional current flow theory rather than electron current flow theory. Also, electrons don't travel very far or very fast, it is the effect of their electrical charge that moves at nearly the speed of light and over great distances. The physical movement of electrons through a conductor (piece of wire or a battery) is akin to ping-pong balls in long a pipe fill of ping-pong balls whose inside diameter is the same as the outside diameter of the ping-pong ball. Push a ping-pong ball in one end of the pipe and the last ping-pong ball at the distal end of the pipe is almost instantly forced out. The ping-pong ball pushed into the pipe only moved 1.57" (diameter of the ball), while the effect of pushing it into the pipe almost instantly occurs at the other end of the pipe, regardless of the length of the pipe. |
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12-20-2014, 01:25 PM | #50 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,173
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Re: #1 battery loses charge
Current flow convention varies by profession. EE's always assume current flow is from Positive to Negative by convention. Electron movement is obviously the other way since they carry a negative charge. I'm an EE so I have been trained to think if current flow from Pos to Neg.
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