marathon had dead batteries refuses charge

cww · 12-29-2018, 01:33 PM

I'm a snowbird in AZ and left for summerr and when i returned the batteries were so flat that my charger wouldnt charge them. A repair man in the park forced them to take a charge. After his trick my charger took over and charged the batteries. I drove it around some, the batteries went down faster than usual so i plugged in the charger but it will not charge them again, in fact the charger wont turn on. Had zero issues with charger last year.

orangeman6 · 12-29-2018, 07:12 PM

Do you have a dvm? Maybe the batteries dropped down again below where the charger will kick on. I don’t remember what that number is. Unfortunately, you’ve probably done some damage to your batteries by leaving them discharged for so long. Once you get the charger going again, do multiple back to back charges. You might be able to bring some life back to the pack.

scottyb · 12-29-2018, 07:20 PM

I think the minimum voltage is 25 - 27 volts for the stock charger to see the pack is connected.

12-29-2018, 01:33 PM	#1
cww Not Yet Wild Join Date: Dec 2018 Posts: 1	marathon had dead batteries refuses charge I'm a snowbird in AZ and left for summerr and when i returned the batteries were so flat that my charger wouldnt charge them. A repair man in the park forced them to take a charge. After his trick my charger took over and charged the batteries. I drove it around some, the batteries went down faster than usual so i plugged in the charger but it will not charge them again, in fact the charger wont turn on. Had zero issues with charger last year.
cww Not Yet Wild Join Date: Dec 2018 Posts: 1

12-29-2018, 07:12 PM	#2
orangeman6 Gone Wild Join Date: Sep 2016 Location: Northern California Posts: 1,300	Re: marathon had dead batteries refuses charge Do you have a dvm? Maybe the batteries dropped down again below where the charger will kick on. I don’t remember what that number is. Unfortunately, you’ve probably done some damage to your batteries by leaving them discharged for so long. Once you get the charger going again, do multiple back to back charges. You might be able to bring some life back to the pack.

12-29-2018, 07:20 PM	#3
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,408	Re: marathon had dead batteries refuses charge I think the minimum voltage is 25 - 27 volts for the stock charger to see the pack is connected.

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