Lithium ion batteries can last well over 100,000 miles while still retaining 75% or more of their original capacity. See: Chevy Volt. I'm anxious to see if Tes

Lithium ion batteries can last well over 100,000 miles while still retaining 75% or more of their original capacity. See: Chevy Volt. I'm anxious to see if Tesla can compete in this regard.