Hi,

Do other vehicle types also do this?

My car was locked and parked since yesterday about 10:30 UTC.  Not connected to the EVSE/charger.

I was monitoring and I noticed that by itself it turned on the dc/dc and started a 12v battery charge

The battery was 12.6V at the time and it charged it for an hour and then went back to sleep.
Battery was bumped up to 13.2V.

2021-01-16T09:25:21+0000 ovms/CAA5060/event vehicle.awake
2021-01-16T09:25:24+0000 ovms/CAA5060/event vehicle.locked
2021-01-16T09:25:24+0000 ovms/CAA5060/event vehicle.charge.state
2021-01-16T09:25:24+0000 ovms/CAA5060/event vehicle.charge.12v.start
...
2021-01-16T09:26:42+0000 ovms/CAA5060/metric/v/b/12v/current -9.52
2021-01-16T09:26:42+0000 ovms/CAA5060/metric/v/b/12v/voltage 14.72
2021-01-16T09:26:42+0000 ovms/CAA5060/metric/v/e/charging12v yes
...
2021-01-16T09:40:20+0000 ovms/CAA5060/notify/alert/vehicle.idle Vehicle is idling / stopped turned on
2021-01-16T09:40:20+0000 ovms/CAA5060/event notify.alert.vehicle.idle
...
2021-01-16T10:25:33+0000 ovms/CAA5060/event vehicle.charge.12v.stop
...

Chart in localtime (+0200):

image.png

I did wonder if this would trigger the car warning "Battery discharging while stopped" but it did not.

So if the car manages the 12v battery I will adjust the warning in my docs about discharging the 12v battery by leaving the OVMS connected.

Steve