Electric Car Battery Capacity Loss

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 car battery capacity loss.

Electric vehicle battery lifespan. Currently most manufacturers are offering 8 year 100 000 mile warranties for their batteries. 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. Extreme heat is the enemy of lithium ion chemistry which is why many electric cars come with liquid cooled battery packs.

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. Nissan is providing additional battery capacity loss coverage for 5 years or 60 000. Select car leasing analysed 64 electric cars released between 2012 and 2019 to determine if strides are being made by car manufacturers to improve the battery degradation rates of their vehicles. 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.

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.