HV Battery balance

A.Sadek

1 µW
Joined
Jul 20, 2024
Messages
2
Location
Egypt
Hi All,

My Chevy Spark EV 2015 HV Battery with 70km started to go in a problem after stopped moving despite I had 12km in the range while I was heading to the AC station to leave it on the charger, so I pushed it for few KMs and charged with no issues and drive it again, them after a week or 2 did that again but this time on 35km still in range and this time I couldn't charge and ready lamp was off, this happened 3 times again in 3 weeks before I take it to the guy I bought it from, so he checked and the check was as per the picture I attach them disassemble the battery to do a manual balancing and the result is as per the 2nd picture,
So any idea what happened and any suggestion as I'm afraid this is might happen again :).

Thx,
Adel Sadek,
 

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