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Since June 2018, I have been using Torque Pro coupled with an OBDLink MX adapter for bluetooth. Today, after 30 measurements and 4000 miles, My measurements have ranged from 16.7 kWh when I started taking measurements to 16.4 kWh at my latest measurement. My 2016 Spark EV 2LT had 14394 miles on the ODO when I took my last measurement on Nov 12. I normally charge using my L2 EVSE when driving around town. On the road, I make heavy use of EVgo DCFC stations. I think the Torque Pro number is the best HV battery capacity estimate you will be able to get. I also get similar results on my 2014 Spark EV 2LT w/o the fast-charge option.I also monitor the battery temperature at the time of the test to see if battery temperature affects the capacity measurement. I am beginning to think it does.
Since June 2018, I have been using Torque Pro coupled with an OBDLink MX adapter for bluetooth. Today, after 30 measurements and 4000 miles, My measurements have ranged from 16.7 kWh when I started taking measurements to 16.4 kWh at my latest measurement. My 2016 Spark EV 2LT had 14394 miles on the ODO when I took my last measurement on Nov 12. I normally charge using my L2 EVSE when driving around town. On the road, I make heavy use of EVgo DCFC stations. I think the Torque Pro number is the best HV battery capacity estimate you will be able to get. I also get similar results on my 2014 Spark EV 2LT w/o the fast-charge option.
I also monitor the battery temperature at the time of the test to see if battery temperature affects the capacity measurement. I am beginning to think it does.
