My PW2 updated to firmware 1.15.6 yesterday and I was using "Cost Saving" TOU mode with a backup reserve of 25%.
The Gateway went offline about 6:05pm yesterday to do the automatic upgrade and just after midnight came back online and started charging from 27% all the way up to 100% in 3.25 hours. After that the PW2 sat on 100% all through the day until I noticed what was going on at about 6:15pm today. I then changed the mode to "Self Powered" and it started to discharge, but after about 50 minutes, it started charging again. I have tried putting it into "Balanced" and also back into "Cost Saving" but it still holds firm on 100% charge (most annoying during peak usage time).
Just wondering if anyone else had issues, as regardless of the mode I set, the PW2 seems to want to charge the battery to 100% and leave it there.