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[BigDean]

My Relion behaves very much the same as yours and has done so reliably for the last 3 years. The discharge curve starts at a lower voltage (13.4V) than the charge curve finishes (14.6V) i.e. a significant voltage drop is normal. For my battery the published charge and discharge curves are quite different, what happens on the way up is very different to what happens on the way down. Battery voltages can be misleading when it comes to judging state of charge, I don’t think you have anything to worry about.

Excellent news. Thanks.

 

[autorouter]

13.27V sounds perfectly fine to me as a resting voltage for a full lithium battery.

Also note that the discharge curve is at 3.4A, so by definition it is not showing the resting voltage. That's why there is the shift between the charging and discharging voltages at the same SOC.

 

[Hoovie]

Also note that the discharge curve is at 3.4A, so by definition it is not showing the resting voltage. That's why there is the shift between the charging and discharging voltages at the same SOC.

Indeed.
the two are seperate points and not linked together in my post, just mentioned on the same post.

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