Your battery should certainly last longer than 2yrs. The 12V battery in my 2006 lasted 5+yrs, with no problem whatsoever, until it suddenly died. A reading of 12.5V is within normal limits for a good battery.
The vehicle’s battery could be overcharging or unable to hold a charge. 3. The battery’s not holding a charge. When you park your car overnight and leave it charged only to return in the morning to a low battery, it’s a definite sign your hybrid vehicle’s battery needs diagnostic attention. 4.
For the record, I drove the original for 280,000 miles and only replaced the battery. Practically zero repairs. In conclusion a Prius battery last about 150,000 miles average or 8 years. MKD Discussion starter. 3 posts · Joined 2021.
How Long Does a Toyota Prius Last? With regular maintenance, a Toyota Prius owner can expect to get between 200,000 and 250,000 miles out of their Prius, with some owners topping the 300,000-mile mark and going strong. As the first mass-produced hybrid vehicle, the Prius has an established history of reliable service for more than two decades. Toyota has been at the forefront of the hybrid car market for decades. The world's first mass-produced hybrid, the Toyota Prius, was introduced to the U.S. 20 years ago. But many people are still reluctant to invest in a hybrid because of concerns over how long the battery pack lasts and the cost of replacing it.