Chevy Bolt EV: 70,000 Mile Battery Degradation

After 70,000 miles, I decided to review the data that I have gathered for nearly two years of driving the Bolt EV. Based on my estimates, my Bolt EV has lost a noticeable amount of battery capacity. To estimate the amount of degradation, I compared kWh used versus the battery percentage displayed at the station, and I was able to create a timeline of total estimated battery capacity. 0:47 Methodology 3:41 Degradation 4:44 Software Update affected capacity? 7:45 What can other EV owners expect? 9:30 Does DC fast charging contribute? 10:35 Does that much degradation actually matter? 13:03 My Recommendations 15:04 Closing