What kind of batteries do Tesla cars use?

[ValeriaDella]

Tesla's vehicle models all use ternary lithium-ion batteries, specifically the 18650 batteries produced by Sony. These batteries are similar in size to AA batteries, and a Tesla car contains approximately 8,000 18650 batteries. Ternary lithium-ion batteries: 1. The cathode is made of ternary materials. Ternary materials refer to three substances: nickel, cobalt, and manganese. Some ternary lithium-ion batteries may also use nickel, cobalt, and aluminum for the cathode. 2. Ternary lithium-ion batteries are currently a popular choice, with most pure electric vehicles using them. Lithium-ion batteries are lighter and have higher energy density, making them ideal for pure electric vehicles. Some pure electric vehicles also use lithium iron phosphate (LFP) batteries, which offer better safety than ternary lithium-ion batteries. However, LFP batteries have lower energy density and are heavier compared to ternary lithium-ion batteries.

[OOwen]

Tesla vehicles primarily use lithium-ion batteries, specifically cylindrical lithium-ion battery cells. Early models like the Model S and Model X employed 18650 batteries supplied by Panasonic. Later, the Model 3 and Model Y switched to 2170 batteries, which offer higher energy density and longer range. Newer models now feature 4680 batteries, developed in-house by Tesla, reportedly improving efficiency and reducing costs. I understand the battery structure—these cells are integrated into large battery packs and optimized through intelligent management systems to ensure long-range driving and fast charging. However, note that cold weather may affect performance. From my experience using a Model 3, the charging speed is impressive: a standard wall charger can fully charge it overnight, while a Supercharger can replenish most of the battery in about 30 minutes—very convenient. The battery lifespan is designed to last over 10 years, according to Tesla, though I recommend avoiding frequent fast charging to extend longevity. Innovatively, Tesla also uses CTC (Cell-to-Chassis) technology to integrate batteries directly into the vehicle's chassis, reinforcing the structure—a smart design that balances performance and space.

[DeCody]

As a Tesla owner, I must say its battery is truly worry-free. I'm using lithium-ion batteries, and after driving the Model Y for over a year, the range is around 450 kilometers—just one charge per week is enough for city driving. I heard earlier models like the Model S used 18650 batteries, but the new 4680 batteries are more advanced with significantly improved energy density. Suppliers include Panasonic and CATL, ensuring stable supply. Charging is super convenient; I often visit Supercharger stations where 20 minutes can fill up half the "tank," making long trips stress-free. However, in cold winters, the range drops slightly, but turning on the heater still works fine. The battery management is smart, and OTA updates can optimize efficiency, saving power. I've noticed that frequent long-distance driving causes minimal battery degradation—Tesla's design is very durable. Overall, these batteries elevate the EV experience: quiet, eco-friendly, and cost-saving on fuel expenses.

[MichaelAnn]

Tesla's batteries are of the lithium-ion type, with cylindrical battery cells at their core. Early models like the Model S used 18650 cells, while the Model 3 and later models adopted 2170 cells. Currently, the company is advancing with 4680 cells, which offer high energy density and outstanding range. From my experience, charging at home with a wall connector or using Superchargers is fast and convenient. The battery lifespan is designed to be long, averaging 8-10 years, and avoiding deep discharges can extend its life. Suppliers like Panasonic and CATL ensure quality. Key features include intelligent thermal management, optimizing performance in both cold and hot conditions.