Tesla's Battery Health Indicator: The vehicle's touchscreen display shows an estimate of battery degradation, accessible through "Controls" > "Vehicle" > "Battery" > "Battery Health".
Self-Diagnosis through the App: Owners can run a self-diagnosis to check battery health through the Tesla mobile app by selecting "Service" > "Request Service" > "Battery" > "Range" and typing "loss of range" as the description.
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Battery Capacity: Tesla's lithium-ion batteries degrade over time due to charging and discharging cycles, affecting the battery capacity.
Slowing Degradation: Avoiding fast charging and using Tesla-provided chargers can slow down battery degradation.
Tesla Mobile App: The app allows owners to check their car's battery health and other functions, available for download on smartphones.
Logging in Required: To access the app's features, owners must log in to their Tesla account.
Battery Health Check Methods: There are four different methods to check Tesla battery health, including the Battery Health Indicator, self-diagnosis through the app, checking estimated range, and evaluation at a Tesla service center.
Phantom Drain: Tesla acknowledges "phantom drain" in its owner's manual, referring to the car's high-voltage battery information section.
Range Estimation: Checking the estimated range on the Tesla energy app can indicate battery health.
Tesla Service Center Evaluation: Taking a used Tesla to a service center can provide a professional evaluation of the battery's general health.
LFP Battery Health: LFP (lithium-iron-phosphate) battery-equipped Model 3 owners have reported similar degradation levels.
Battery Health Test: Tesla released a battery health test in its Service mode, accessible by connected to a 240-volt Level 2 charging station.
Tesla Battery Lifespan: The lifespan of a Tesla battery can last up to 300,000 to 500,000 miles or more, depending on factors like charging habits and climate.
Capacity Loss: A Tesla Model S battery lost about 1% of its capacity for every 15,000 miles driven, according to a study.
Recalibration Tips: To maintain battery health, owners can follow tips like avoiding extreme temperatures, keeping the battery level between 20% and 90%, and avoiding rapid charging.