Many of you are worried about the long-term reliability of electric vehicle batteries. I know because you ask me all of the time. Among skeptics and prospective buyers alike, it’s one of the first things to come up: Will the battery last? Yet more and more data is showing that modern EV traction batteries just don’t fail in significant numbers. You don’t have to worry about them. It’s the damn 12-volts that’ll leave you stranded in the office parking lot. Internal combustion drivers know that risk. Traditional cars use a 12-volt battery—usually a chunky lead-acid unit—to start the vehicle and power the electronics. You may expect that EVs, with their massive drive batteries, don’t need these ancient bricks. Yet they rely on them for the exact same reasons. EV 12-volt
