Further to my post above, I finally disconnected the Ctek charger this morning after charging for 1.5 days. It had reached stage 7 at some point after last evening. So it was float charging. I decided to leave the battery to settle for a few hours to allow IBS to its thing as suggested in the tech manual (4 hours of quiet time) as an added factor. When I checked MES after that the SOC was still only 66%! Battery voltage was 12.4V. So I then checked the battery itself using a multimeter and initially is read 12.6V with everything off except the boot light, which then gradually rose to 12.76V over 8 minutes and settled there. I am no battery expert. Anyone know why the voltage reading takes a few minutes to climb to a steady value? The current measured at the end of 8 minutes was 1.73 mA.
Besides all that there is a difference between MES voltage (there are 2, one of which is IBS reported) and the voltage measured at the battery itself. 12.7V sounds like a 100% charged battery. So what the heck is IBS/BCM reading and reporting??
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