The battery is warranted for 8 years or 100,000 miles and you are a simple internet search away from many articles on how long EV batteries are lasting (which is generally quite long).

i checked and that warranty assumes constant unchanging weather conditions in reality these cars get used in fluctuating weather that expand and contract the battery unit and put additional wear on them, there is simply no way the warranty itself is expected to last as long as they claim

Porsche in particular have found out the hard way .