A GMC Sierra EV owner discovered his vehicle was consuming 2 kilowatts of power throughout the night after reaching 80% charge, resulting in a waste of $1.75.
The owner, Mike Roland, found that his truck's battery had charged to 88% despite the set 80% limit, revealing a complex electrical issue.
It was as if the truck was "secretly feeding itself" and refusing to disconnect from the electrical grid.
Author's summary: Electric vehicles can consume power unexpectedly.