A Tesla battery lasts between 5 years to 8 years although the more driving and the more charging and depletion that is on the battery the sooner it will fail and need replaced.
The average cost to replace a Tesla battery is between $12,000.00 to over $22,000.00 depending on the model of Tesla you have and the battery capacity.
Also whether the Tesla battery is a new or refurbished battery will also factor into the cost as new Tesla batteries will cost more than refurbished Tesla batteries.
The labor to replace the Tesla battery also adds to the cost of another $1,000.00 to $3,000.00 which can bring the total cost to replace the Tesla battery to as much as $15,000.00 to $25,000.00 for Tesla models of S/X and Tesla Models 3/Y are often lower in costs.
Replacing the Tesla battery is often not worth the cost, especially if the car is older.
Tesla also provides an 8 year or 120,000 to 150,000 mile warranty their high voltage Tesla batteries, which mean that most Tesla battery replacements within this warranty period are free.
An replacing a Tesla battery can take around 1 to 3 weeks depending on how long it takes to get the new Tesla battery and how busy the shop is.
Tesla vehicles are nice, although they really do not save you money even when you don't have to buy gasoline.
The cost of charging the Tesla as well as the replacement costs of a new Tesla battery cost more eventually than just buying a regular car and putting gasoline in it.
This is one reason why I haven't wanted to buy a Tesla or other electric vehicle as I can get a good car for the cost of a replacement Tesla battery.