Tesla 12V Battery Warranty: Everything You Need To Know

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As an owner of a Tesla electric vehicle, it’s important to understand the warranty coverage for all components, including the 12V battery. In this article, we will delve into the specifics of Tesla’s warranty for their 12V battery, providing you with vital information to ensure you have peace of mind and a hassle-free ownership experience.

What is a 12V Battery and Its Importance in a Tesla?

While Tesla electric vehicles primarily rely on high-voltage batteries for propulsion, they also utilize a 12V auxiliary battery. This smaller battery powers various systems in the car, such as lights, infotainment, and other electronic components. It is crucial for the overall functionality of the vehicle, making its warranty coverage essential.

Tesla’s 12V Battery Warranty Coverage

Tesla provides a comprehensive warranty for their 12V auxiliary battery. The warranty period varies depending on the model and year of your Tesla vehicle. Generally, the warranty covers the battery for a period of four years or 50,000 miles, whichever comes first.

What Does the Warranty Cover?

Tesla’s 12V battery warranty covers any defects in materials or workmanship that may arise during normal use. If your 12V battery fails within the warranty period, Tesla will replace it free of charge, ensuring your vehicle remains operational and fully functional.

Exclusions and Limitations

While Tesla’s warranty provides excellent coverage, there are a few exclusions and limitations to be aware of. The warranty does not cover damage or failure caused by misuse, accidents, or unauthorized modifications. Additionally, the warranty may be voided if the battery is not properly maintained or if non-Tesla approved accessories are connected to the 12V system.

Tips for Maintaining Your Tesla’s 12V Battery

To maximize the life and performance of your Tesla’s 12V battery, it is important to follow a few simple maintenance tips. Regularly inspect and clean the terminals to prevent corrosion. Avoid prolonged periods of inactivity, as this can lead to battery drain. Additionally, it is recommended to keep your Tesla plugged in when not in use to maintain the charge of the 12V battery.

What to Do If You Encounter Issues

If you encounter any issues with your Tesla’s 12V battery, it is recommended to contact Tesla’s customer support or schedule a service appointment. Their knowledgeable team will guide you through the troubleshooting process and provide appropriate solutions to resolve any problems you may be experiencing.


Tesla’s warranty coverage for the 12V battery provides owners with peace of mind, ensuring that any potential issues are addressed promptly and free of charge. By following the recommended maintenance tips, you can extend the life of your Tesla’s 12V battery and enjoy a seamless driving experience. Remember to consult Tesla’s official documentation for the most up-to-date information regarding the warranty coverage for your specific Tesla model and year.