On Sun, 20 Dec 2020 at 11:38, Michael Balzer <dexter@expeedo.de> wrote:
Does any of your cars provide a 12V current reading at the battery? Or a temperature of that battery? These could help diagnose 12V battery issues early. But the voltage is normally sufficient to estimate degradation.
I have dozens of items relating to the 12v battery - but as far as I can see it's all logged history of charge cycles including SOC and temps start and end of charging cycles. eg: #define I3_RES_EDME_STAT_E1_12V_BATTERIE_TEMP_LADEBEGINN_WERT (RXBUF_SCHAR(69)) #define I3_RES_EDME_STAT_E1_12V_BATTERIE_TEMP_LADEBEGINN_WERT_UNIT '°C' #define I3_RES_EDME_STAT_E1_12V_BATTERIE_TEMP_LADEBEGINN_WERT_TYPE char // Set 1 (last) - temperature of the 12V battery when starting the 12V battery charging process / Satz 1 // (letzter) - Temperatur der 12V-Batterie beim Starten des 12V-Batterie Ladevorgangs ... #define I3_RES_EDME_STAT_E1_12V_BATTERIE_SOC_LADEENDE_WERT (RXBUF_UCHAR(81)/2.0f) #define I3_RES_EDME_STAT_E1_12V_BATTERIE_SOC_LADEENDE_WERT_UNIT '%' #define I3_RES_EDME_STAT_E1_12V_BATTERIE_SOC_LADEENDE_WERT_TYPE float // Sentence 1 (last) - state of charge of the 12V battery when the 12V battery charging process is ended (= state // of charge when starting if charging is not possible) / Satz 1 (letzter) - Ladezustand der 12V-Batterie beim // Beenden des 12V-Batterie Ladevorgangs (=Ladezustand beim Starten wenn Laden nicht möglich) I can't find anything specifically for temp and SOC "right now". Steve