Precedent randomly dies

Fairtax4me · 12-30-2018, 08:56 PM

Pack is way out of balance. What charger do you have? You probably will need to use a 12v charger for about an hour on the 8.08 to bring that voltage up and then charge the entire pack.

Superiorfloor · 12-30-2018, 09:09 PM

Its a Club Car charger with the needle gauge on it

Superiorfloor · 12-30-2018, 09:10 PM

Quote:

Originally Posted by NoleFan4Ever

None of those batteries were at full charge. Not even close, 8.49v per battery and 50.93 on the pack.

If you read the information I supplied to you on batteries, you know you have got to break them in to get the full potential out of them and they get stronger and stronger as you go. No matter what, you have to start out with a fully charged pack.

The batteries are a few months old now and have had several cycles. Maybe its my charger

NoleFan4Ever · 12-30-2018, 09:13 PM

Quote:

Originally Posted by Superiorfloor

The batteries are a few months old now and have had several cycles. Maybe its my charger

You need "at least" 20 cycles to feel a difference and will be fully broken in/seasoned around 50 or so charges.

Cycles are using it till you run it down to ~60/70% soc and no less than 50% charge.

Htownblue · 12-30-2018, 11:15 PM

OP is not running a full pack charge. Whatever is causing his pack to nitmreach full charge seems like it’s at least part of the issue. Unbalanced pack could be another issue if his numbers are real and based on charged pack voltage readings.

Superiorfloor · 12-30-2018, 11:20 PM

Quote:

Originally Posted by NoleFan4Ever

You need "at least" 20 cycles to feel a difference and will be fully broken in/seasoned around 50 or so charges.

Cycles are using it till you run it down to ~60/70% soc and no less than 50% charge.

I have done that

NoleFan4Ever · 12-30-2018, 11:27 PM

Quote:

Originally Posted by Superiorfloor

I have done that

Then fully charge it until the charger cuts off automatically, wait at least 12 hours, then check the pack voltage along with each individual battery. Post your results....

Sergio · 12-31-2018, 07:26 AM

Did you alter the OBC current reading circuit?

You can only have one pack negative cable and it must pass through the OBC "hole".

Superiorfloor · 01-05-2019, 06:31 PM

Quote:

Originally Posted by Sergio

Did you alter the OBC current reading circuit?

You can only have one pack negative cable and it must pass through the OBC "hole".

How do I check?

Superiorfloor · 01-05-2019, 08:11 PM

Can I just get a smart charger? Does the OBC still have to be bypssed?

12-30-2018, 08:56 PM	#11
Fairtax4me Bonafide Nincompoop Join Date: Dec 2015 Location: Charlottesburg Va Posts: 8,987	Re: Precedent randomly dies Pack is way out of balance. What charger do you have? You probably will need to use a 12v charger for about an hour on the 8.08 to bring that voltage up and then charge the entire pack.

12-30-2018, 09:09 PM	#12
Superiorfloor Not Yet Wild Join Date: Dec 2018 Posts: 12	Re: Precedent randomly dies Its a Club Car charger with the needle gauge on it
Superiorfloor Not Yet Wild Join Date: Dec 2018 Posts: 12

12-30-2018, 11:15 PM	#15
Htownblue Gone Wild Join Date: May 2015 Location: Houston Posts: 903	Re: Precedent randomly dies OP is not running a full pack charge. Whatever is causing his pack to nitmreach full charge seems like it’s at least part of the issue. Unbalanced pack could be another issue if his numbers are real and based on charged pack voltage readings.

12-31-2018, 07:26 AM	#18
Sergio Gone Wild Join Date: Sep 2012 Location: Charlotte, NC Posts: 9,329	Re: Precedent randomly dies Did you alter the OBC current reading circuit? You can only have one pack negative cable and it must pass through the OBC "hole".

01-05-2019, 08:11 PM	#20
Superiorfloor Not Yet Wild Join Date: Dec 2018 Posts: 12	Re: Precedent randomly dies Can I just get a smart charger? Does the OBC still have to be bypssed?
Superiorfloor Not Yet Wild Join Date: Dec 2018 Posts: 12

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