RW42 Mercuric Oxide 7.5V Battery Stack from Canada
RW42 stacked mercuric oxide cells providing 7.5V for specialized test equipment and vintage electronics. The multi-cell configuration maintains mercuric oxide chemistry classification under HTS 8506.30.5000.
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
• Specify cell count and series configuration in commercial invoice
• Include short-circuit protection specifications for safety clearance
• Coordinate with consignee for specialized equipment compatibility testing