Smart Shunt SOC in linear fall despite charge cycles

[pwfarnell]

The DC power is just a calculation unless you have a SmartShunt or BMV712 set up as DC energy meter. Therefore, if your battery monitor is not reading correct then the DC power calc will be wrong, the linked FAQ covers this. You still need to check all wiring.

The DC System Power on a Venus device is jumping, erratic or does not match other loads

This topic covers the reported power in the DC system tile as shown on a Venus device (such as CCGX, Cerbo, Ekrano or Raspberry Pi etc.) or on VRM dashboard. The symptoms are typically that the DC power does not match with a calculation using the power shown and the battery, solar and ac tiles and/or that the DC System Power is erratic or jumping about. [DC system tile] To see the DC System tile, it needs “Has DC System” enabled in the System Setup Menu of the Venus device. [Has DC System] I…