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-   -   48v pack 2 Batteries not fully charged (https://www.buggiesgonewild.com/showthread.php?t=60649)

beach cart 02-25-2012 09:49 PM
48v pack 2 Batteries not fully charged
 
I have 8 Deka gc 45 batteries in my pack, they are 2 months old. 21 charges and discharges to no more then 75%, I have a new DPI charger, I have noticed that after the pack fully charges and sits till morning latley the 2 batteries that are used for the 12 volt accessories are not as fully charged as others. I just read the pack while in the float charge mode, 6 batteries read 7.4 the 2 for the 12v access. are 6.4. Once the pack sits from time to time can I charge just these 2 batteries with a 12 charger (harbor freight) until fully charged and should I charge them on a float or regular charge to 100%. Sorry this is so long! CAN I CHARGE WITH ALL CONNECTIONS MADE AND RUN/TOW SWITCH OFF. Any help on this would be appreciated

craig tn 02-25-2012 09:58 PM
Re: 48v pack 2 Batteries not fully charged
 
You can charge the 2 batteries with all connected. I would recommend getting a 48 volt to 12 volt reducer. Those 2 batteries will have a shortened life compared to the other 6.

beach cart 02-25-2012 10:08 PM
Re: 48v pack 2 Batteries not fully charged
 
Will the connect to main terminals + and - and is will this help keeping the whole pack fully charged, by the way thanks.

beach cart 02-25-2012 10:09 PM
Re: 48v pack 2 Batteries not fully charged
 
Will this connect to main terminals + and - and is will this help keeping the whole pack fully charged, by the way thanks.

yurtle 02-26-2012 03:27 AM
Re: 48v pack 2 Batteries not fully charged
 
Quote:
Originally Posted by beach cart (Post 693078)
I have 8 Deka gc 45 batteries in my pack, they are 2 months old. 21 charges and discharges to no more then 75%, I have a new DPI charger, I have noticed that after the pack fully charges and sits till morning latley the 2 batteries that are used for the 12 volt accessories are not as fully charged as others. I just read the pack while in the float charge mode, 6 batteries read 7.4 the 2 for the 12v access. are 6.4. Once the pack sits from time to time can I charge just these 2 batteries with a 12 charger (harbor freight) until fully charged and should I charge them on a float or regular charge to 100%. Sorry this is so long! CAN I CHARGE WITH ALL CONNECTIONS MADE AND RUN/TOW SWITCH OFF. Any help on this would be appreciated
How big are your accessories and can you turn them off? Do you have a 12/120 volt inverter? 1 volt differential seems like a lot for just lights, stereo, etc.

beach cart 03-01-2012 09:35 PM
Re: 48v pack 2 Batteries not fully charged
 
I have checked the pack voltage after full charge and rest and there is only a .1 difference 6 batteries 6.1 the 2 for 12 volt 6.1

scottyb 03-01-2012 11:21 PM
Re: 48v pack 2 Batteries not fully charged
 
..... this is a bad situation for all the batteries, not just the 2 low ones.... 6 batteries are getting over charged waiting for the 2 low batteries to come up 8)

beach cart 03-02-2012 06:41 AM
Re: 48v pack 2 Batteries not fully charged
 
What is the best solution to cure this problem Scotty. I can just charge these 2 every once in awhile or what do what.


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