Electric Car Battery Capacity Loss

It s interesting to note that nissan initially figured the leaf would retain 80 percent capacity after five years and 70 percent after 10 years.

Electric car battery capacity loss.

State of charge battery management a very necessary feature of modern electric cars nevertheless leaves you with about 60 70 percent of the rated capacity to work with. Currently most manufacturers are offering 8 year 100 000 mile warranties for their batteries. In an effort to determine how much range was affected for those with lost battery capacity bars a group of owners led by tony williams did a range test of 12 cars in tempe arizona on september 15 2012. Electric vehicle battery lifespan.

Like the engines in conventional vehicles the advanced batteries in evs are designed for a long life but will wear out eventually. A largely level course was driven at 100 km h as measured by the leaf s onboard gps 62 mph. On the other hand fiat ford mitsubishi and tesla specifically exclude capacity from their ev warranty providing only for the actual failure of the battery not any loss of capacity. Extreme heat is the enemy of lithium ion chemistry which is why many electric cars come with liquid cooled battery packs.

On the downside electric cars kept in the hottest climates can be expected to lose battery capacity a bit quicker than those living in more temperate areas.