What is the lifespan of a Tesla electric vehicle battery?
1 Answers
Tesla electric vehicle batteries have a lifespan of approximately 5 years. Tesla's battery packs are composed of over 7,000 18650 battery cells, and the lifespan of 18650 batteries is calculated based on charge-discharge cycles, which is about 1,000 cycles. If charging occurs every 2 days, this translates to roughly 2,000 days of usage, meaning the battery would need replacement after about 5 years. Below is a simple classification of automotive batteries: 1. Conventional Lead-Acid Battery: The plates of conventional lead-acid batteries are made of lead and lead oxide, with the electrolyte being a sulfuric acid solution. Their main advantages are stable voltage and low cost; the disadvantages include low specific energy (the amount of energy stored per kilogram of battery), short lifespan, and frequent maintenance. 2. Dry-Charged Battery: Its full name is dry-charged lead-acid battery. The main feature is that the negative plate has a high capacity for storing electricity. In a completely dry state, it can retain the stored charge for up to two years. When in use, you only need to add the electrolyte, wait for 20-30 minutes, and it's ready for use.