Who is Tesla's Battery Supplier in China?

[StRowan]

Tesla's battery supplier in China is Panasonic. Below is relevant information about Tesla batteries: Battery Model: Tesla uses the 18650 battery produced by Panasonic. After the official production of Model 3, the new 21700 battery replaced the 18650 as the new cell. The 21700 battery is a ternary lithium battery with a cathode material of lithium nickel cobalt aluminum oxide (NCA). This cylindrical ternary battery currently offers the highest energy density among power battery solutions. Compared to prismatic batteries, although this type of battery has high energy density, its stability is relatively poor, requiring excellent BMS (Battery Management System) support. Battery Energy Density: Under current conditions, the energy density of the 21700 battery system is around 300Wh/kg, which is approximately 20% higher than the 250Wh/kg of the original 18650 battery system. Additionally, according to Panasonic's test data for single lithium-ion power batteries, the volumetric energy density of the 21700 battery is significantly higher than that of the 18650 battery cell. The improvement in energy density of a single battery cell far exceeds the 20% increase observed after grouping.

[DelilahFitz]

I enjoy delving into electric vehicle technology in my spare time. The batteries Tesla uses in China mainly come from CATL, which can be considered a top-tier supplier. CATL's lithium-ion batteries boast high energy density and stable range performance, significantly enhancing the performance of models like the Model 3. The battery material selection also incorporates cost-optimization strategies, making local production more economical. Additionally, Tesla has partnered with LG Chem to diversify its supply chain and prevent single-point failures. A well-integrated battery management system is key, as it extends battery life and enables fast charging capabilities. With ongoing innovation, solid-state battery technology may enter the scene in the future, but currently, CATL's low-voltage platform design already delivers a smooth and efficient driving experience, allowing for long distances on a single charge. This makes daily usage much more reassuring.

[DelElisa]

I've been driving a Tesla Model Y for quite some time, and the battery provided by CATL feels very reliable, with fast charging and ample range. In actual driving, I've never encountered any issues, and the battery health monitoring system works well. During maintenance, the technicians mentioned they employ advanced quality control processes. CATL is a major local manufacturer with excellent cost control, making the car price more affordable. Choosing suppliers isn't just about technology; stability and localization advantages are also considered. I recommend potential buyers pay more attention to battery maintenance, as regular checks can maintain high performance. Additionally, the charging network enhances convenience. Overall, this choice has significantly boosted Tesla's competitiveness in the Chinese market.

[LeElias]

I observe the automotive industry trends, and Tesla's key role in China's battery supply chain is CATL (Contemporary Amperex Technology Co. Limited). They support the production capacity of Gigafactory Shanghai, driving the sales of popular models like the Model Y. CATL's economies of scale reduce costs and enhance Tesla's pricing flexibility. The collaboration also integrates policy support, such as local subsidies promoting domestic procurement. Emerging potential suppliers like BYD are on the rise, but CATL's mature layout still dominates. This model has reshaped the market competition landscape, influencing the strategies of other automakers. Consumers benefit from efficient production and reliable battery lifespan. In the future, if technological upgrades occur, the supply may expand to more innovative enterprises.