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21700 Lithium-Ion Battery Cell from China

Larger diameter 21700 format lithium-ion cylindrical cell (21mm x 70mm) used in electric vehicles, power tools, and high-capacity flashlights. HTS 8507.60.00.90 covers these non-rectangular lithium storage batteries. Increasingly popular replacement for 18650 format.

Duty Rate — China → United States

53.4%

Rate breakdown

9903.91.0625%Effective with respect to entries on or after January 1, 2026, articles the product of China, as provided for in subdivision (g) of U.S. note 31 to this subchapter
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

Higher capacity requires enhanced thermal management in shipping; declare energy content in watt-hours; comply with latest UN manual revisions