cwerdna
Well-known member
Learned of it from https://www.chevybolt.org/threads/carb-wants-bevs-to-maintain-%E2%89%A5-80-of-rated-capacity-for-15-years-or-150-000-miles.38716 (you will probably need an account there to see it). Has this been posted here already? I quickly searched and couldn't find a thread, besides search giving me problems.
From https://www.greencarreports.com/news/1132401_how-long-will-my-ev-battery-last-california-proposes-degradation-limits:
From https://www.greencarreports.com/news/1132401_how-long-will-my-ev-battery-last-california-proposes-degradation-limits:
The rules, applying to the 2026 model year and beyond, would require that BEVs maintain 80% of their certified test-cycle range for 15 years or 150,000 miles, while fuel-cell models maintain at least 90% output power after 4,000 hours of operation.
The requirements would also include the explicit disclosure of that percentage threshold and a "customer readable state of health metric," according to the CARB draft. The state of health (SOH) needs to be readable by the driver without a tool and meet the "usable battery energy" as met by SAE J1634 standards, with the vehicle maker clearly laying out the SOH percentage that qualifies for warranty repair.