CATL 4680 Cylindrical Lithium-Ion Cell from Mexico
Next-generation 4680 format cell (46mm x 80mm) with tabless electrode design for Tesla vehicles and energy storage. Provides 5x power output of traditional 18650 cells. Still classifies under HTS 8507.60.00 as lithium-ion rechargeable battery technology.
Duty Rate — Mexico → United States
28.4%
Rate breakdown
9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, 9903.94.63, 9903.94.66 and 9903.94.67, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• 4680 cells weigh 2-3x more than 18650; verify carrier weight limits and packaging strength
• Tabless design requires special handling instructions; document electrode technology on MSDS
• Automotive-grade cells need IATF 16949 supplier certification chain documentation