How Long Do Lithium Car Batteries Last. Carmakers are well aware that potential buyers are concerned about the longevity of electric car batteries which is why these specific warranties often far exceed a typical vehicle. The full capacity of a lithium-ion battery cell should be good for 300 to 500 cycles.
The life of a lithium-ion battery is approximately 3 years. Batteries gradually deteriorate until they can no longer provide enough power to start an engine. Under the worst conditions the best you can hope for your battery to last is three years and at best four years.
For its part Hyundai boosts the battery warranty to.
Commonly the capacity is measured by timing how long the battery can produce two amps before its voltage drops to 105 volts. How to work out how long a 100Ah battery will last. Shop Here Save. Both of the mandated warranty numbers 8 years 100000 miles for EV batteries far exceed the average ICE vehicle drivetrain warranty of 5 years or 60000 miles.
