How long does the original hybrid battery last?

The hybrid battery usually lasts about 12 to 18 years. Hotter environments will be shorter. Cooler environments will be longer.

How many miles on your car?

 

It’s hard to say exactly how long the traction battery will last. A few years ago, I compiled as much information as I could from forum posts, Consumer Reports, and articles I could find, and the results showed there is a very small chance (approximately half of 1%) that a Prius traction battery will fail within the first 10 years, followed by a 3% chance of failure each year after that. Median distance driven at traction battery replacement was roughly 150,000 miles. Most likely, the odds of battery failure go up exponentially after some point, but there just aren’t enough cars still left on the road after 15 years and 200,000 miles to know for sure.

I can say that a Toyota spokesman described that the designed life of the car was 180,000 miles and the battery was intended to last for the life of the car. So a 2004 Prius likely has gone beyond the original design life of the car. My 2009 Prius with 195,000 miles has also gone beyond that design life and also has the original traction battery. That probably means that nobody really knows how long the traction battery in your car will last. It could start failing tomorrow, and it could last another 5 years. But knowing that it’s gone beyond it’s original design life, it would probably be a good idea to start saving up for a newer car for whenever that might be needed.

 

In dog years?

 

letting the car sit idle (storage) for several months at a time will also contribute to the traction batteries demise.

 

under the right circumstances, they last the life of the car