SR521SW Coin Cell Battery from China
Ultra-thin SR521SW silver oxide coin cells (5.8mm x 2.1mm) power micro-electronics with <300 cm³ volume. Classified HTS 8506.40.1010 as primary button/coin silver oxide batteries. Ideal for glucose meters and hearing aids.
Duty Rate — China → United States
40.2%
Rate breakdown
9903.88.0125%Except as provided in headings 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Maintain temperature logs during shipping (<60°C) to preserve silver oxide electrolyte stability
• Use original manufacturer packaging to preserve anti-corrosion seals required for duty-free small package entries
• Separate declaration for silver content if exceeding de minimis for precious metal duties