12-volt battery
The 12-volt battery in a Toyota Prius typically lasts between 3 and 5 years. It is recommended to replace the 12-volt battery every 4 years, or sooner if it shows signs of weakness or damage.
Signs of a weak or failing 12-volt battery in a Prius include:
- Difficulty starting the car
- Dim or flickering headlights
- Slow or intermittent power windows
- Battery warning light illuminated on the dashboard
Hybrid battery
The hybrid battery in a Toyota Prius typically lasts between 8 and 10 years. However, it is important to note that the lifespan of a hybrid battery can be significantly impacted by a number of factors, including:
- Driving conditions (frequent stop-and-go driving, hot or cold weather, etc.)
- Charging habits (frequent quick-charging, using the car primarily for short distances, etc.)
- Maintenance (periodic inspections and cleanings, etc.)
It is recommended to have your hybrid battery inspected by a qualified Toyota mechanic every 5 years or 50,000 miles, whichever comes first. The mechanic will be able to assess the condition of the battery and determine if it needs to be replaced.
Signs of a weak or failing hybrid battery in a Prius include:
- Decreased fuel economy
- Reduced acceleration power
- Engine runs more frequently or longer than normal
- Battery warning light illuminated on the dashboard
