RW42 Mercuric Oxide 7.5V Battery Stack from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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