511 Mercuric Oxide Zinc-Air Equivalent Battery from Canada
511 size mercuric oxide battery for small calculators and toys, external volume under 300 cm³. Fits HTS 8506.30.1000 as compact mercuric oxide primary cell. Offers high capacity in button cell format.
Duty Rate — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Batch test volume compliance and include in commercial invoice details
• Declare exact mercury content per battery for customs valuation
• Use insulated packaging to prevent accidental activation or leakage