I have a 2010 Prius and I was wondering how long the manufacturer's warranty is and if I did not originally purchase an extended warranty for the battery is that is something I can do later on.
For the HV battery, in Ohio, 8 years or 100,000 miles which ever comes first. Extended warranties are just money makers for the issuers, so I have no opinion about what they may claim, on paper, to cover. (they never do)
Extended warranty won't cover the traction battery itself, but may cover other components of the hybrid system.
So if past 8 yrs or 100,000 miles the battery goes then it is out of pocket ? I'm pretty sure my insurance policy wouldn't cover the batteries going out.
You're basically SOL once you past 100k if you are not in a CARB state where the warranty is 150k. In Ohio I would not be too concerned since the climate is not exceptionally hot.