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%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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