EVE 280ah acceptable cell voltage drift while initial charging

[TouchHarder]

Hello
I want to top balance my battery pack and put 4 EVE 280ah in a 4S config with a Daly smart BMS.
I started charging them with a dc power supply at 14v 8a.
After arriving at 3,55V i was planning on puting them out of series and into parallel to charge them together up to 3,6V

But after only 800wh into the charging i have one cell acting up.
3 cells stay within 0.04V of each other but one cell already has a 0.2V difference. (I stopped the chargin for now)
Cell1: 3.383V (while charging)
Cell2: 3.346V (while charging)
Cell3: 3.341V (while charging)
Cell4: 3.526V (while charging and climbing slowly)
They all started at 3.29V.
When I turn the charging of the all fall back to:
Cell1: 3.322V
Cell2: 3.322V
Cell3: 3.322V
Cell4: 3.322V
Cell4 was falling back quicker then the other cells aswell.

10 minutes later they are at
Cell1: 3.319V
Cell2: 3.318V
Cell3: 3.319V
Cell4: 3.316V

Is that normal or do I have a bad cell in number 4?
Im new to this so im probably over cautious, but I thought better wait for a response then ruining a cell pack.
Would be happy for any feedback on that matter.

 

[Bud Martin]

Relating to this thread? This may cause confusion when new thread for the same subjet, I have been following your other thread already and I am sure other people as well.

Original EVE LF280 cells?

Hello Everyone About 6 months ago I decided to build a camper van for which I ordered some Lifepo4 cells from China. Those finally arrived after a whopping 100 days of travel time. Due to the way the seller handled that "minor shipping time overrun" and his general behavior after the cells were...

diysolarforum.com

 

[TouchHarder]

Yes its the same. I tought due too it beinng a different subject, creating a new thread would make sens.
Should I rater delete it?

 

[Bud Martin]

I would and I like to follow your original thread which also already has history, pictures, comments from other members, etc. about your cells.

 

[TouchHarder]

okay

 

[TouchHarder]

how do i delete it?

 

[Bud Martin]

I do not know.

 

[TouchHarder]

Well guess its staying up then. I dont see an option to close the thread.

 

[TouchHarder]

sry

 

[TouchHarder]

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