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07-16-2018, 08:12 AM | #11 | |
Gone Wild
Join Date: Jan 2017
Location: Miami, FL
Posts: 1,061
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Re: DPI Charger and Battery Issues?
Quote:
She deserves some flowers or chocolate covered strawberries for that one. [emoji106] |
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07-16-2018, 04:36 PM | #12 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: DPI Charger and Battery Issues?
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08-16-2018, 06:30 PM | #13 |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: DPI Charger and Battery Issues?
Happy to report that on arriving home after being gone for 3 weeks that the batteries had just slipped under 50 volts. I asked the wife if had used or charged the cart at all while I was at work, she replied that she had used the cart a little for a few trips to the neighbors and around the yard but had not charged it at all.
Plugged into the DPI Smart Charger now set on Mode 2 and watched it bulk charge the batteries and it switched over to float mode. We used the cart almost daily for trips down to the marina and I'm very pleased to say that the batteries are still showing right at 100 % or 51 volts after a 2.5 mile hilly trip, which is pretty much as they used to do before being boiled out by my lack of attention. Each and every time the cart was charged the charger has reached the required voltage and switched over to float mode, so I'm feeling forgiven for my sins and will continue running these batteries. Will see where they stand in 4 weeks as we are both gone, thus I did not risk leaving the charger plugged in completely unattended... |
08-16-2018, 08:27 PM | #14 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: DPI Charger and Battery Issues?
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08-16-2018, 08:34 PM | #15 |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: DPI Charger and Battery Issues?
Well you've got to take into account the problems I experienced, I simply didn't want to risk an issue when no one would be there to attend to it... I've go to regain trust in this aged battery pack and the DPI charger...
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08-17-2018, 08:58 AM | #16 | |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: DPI Charger and Battery Issues?
Quote:
What was the voltage on the two batteries that were warmest? Did you look in the fill holes to see if each cell and each battery was bubbling? When the voltages get out of balance like that it can help to hook up a light bulb (or three) on each battery to discharge them individually. It takes a little while but it can get them closer to the same end voltage, as the batteries with the higher voltage will not be overcharging while the ones with lower voltage are still trying to reach full charge. When they're all closer to the same voltage for a few cycles they should start to act more like what you're used to. You could also use a 12v charger to try to bring the voltage up on the lower batteries. To get a better idea of the overall health of each battery it helps to know its internal resistance. There isn't much you can do to change that, but it will tell you if one or more of your batteries are totally beyond help. I use a digital tester similar to this one digital battery tester It shows voltage, internal resistance, and calculated capacity in CCA. These cheaper testers are programmed for 12v batteries, so the calculated CCA is a bit inflated since that's based partly on IR and voltage. But seeing the calculated capacity of each battery will still help you determine if one has a lower state of charge even if it shows a normal voltage level. In the end the calculated CCA is just an estimation anyway. There are testers designed for 6 and 8v batteries, but they generally cost more than a set of batteries. |
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10-01-2019, 09:18 AM | #17 |
Gone Wild
Join Date: Nov 2013
Location: North Augusta SC
Posts: 273
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Re: DPI Charger and Battery Issues?
Teecro,
How long did your batteries last? did switching to Mode 2 help, or were they toast? I only ask because I am going through a similar scenario now. My situation is a little different, in that my DPI, was over charging my batteries and boiling the water out of them. But I changed the Control board, and it is now working, but the batteries are getting very hot when charging. I was thinking of switching modes as you did, and was wondering what your results were now, a year later. Thanks in advance. |
12-04-2019, 06:44 PM | #18 | |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: DPI Charger and Battery Issues?
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BTW the batteries are now 5.5 years old... |
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12-05-2019, 12:39 AM | #19 |
Gone Wild
Join Date: May 2016
Posts: 373
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Re: DPI Charger and Battery Issues?
I think I’m in the sane boat...I can barely make a trip from the front of my hunting club to the back 2 times now, used to be 4/5 trips. Now I have to fully charge with my DPI every night to make sure I get back, US Batts, 3 yrs old. Voltage drops below 40 if I make 2 trips. I think it’s ran too many charge cycles. Was always told here plug it in after even a short ride......
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12-05-2019, 08:33 AM | #20 | |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: DPI Charger and Battery Issues?
Quote:
Assuming that the water levels are good? I'd suggest getting voltage readings from each battery while under load. |
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