The battery has an 8 year unlimited mile warranty. I believe that it is considered to have failed if it is at 70% capacity or below. In general, one should exp

The battery has an 8 year unlimited mile warranty. I believe that it is considered to have failed if it is at 70% capacity or below. In general, one should expect to get at least 300k miles (482,000 kms) out of a battery like the one in the Tesla before it gets anywhere close to this level.