How Long Do The Prius Batteries Last. If you take good care of the little 12v battery it can last a long time. If youre only cycling your battery a few times each day during your commute your battery will seemingly last much longer.

According to the data most Prius owners said that their battery lasts longer up to 12 to 15 years and can work over 200000 miles. Many drivers will not need a new Prius battery for a long time which saves them money and eliminates the hassle of replacing it. Lets get straight into it.
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But we wanted to know if the effectiveness of the battery degraded over the long run. If the battery pack in your Toyota Prius dies before the end of its 150000 or 100000 mile warranty Toyota will replace it free of charge. After 2094 when they routes air from the back seat area over the battery pack in the rear truck area they now last 300k miles. So we hooked up a 2002 Toyota Prius with nearly 208000 miles on the clock to our testing instruments.
