Zinc-Air Primary Button Cell from Japan
Air-activated zinc-air primary button cell for hearing aids and medical devices. Even though button-shaped, zinc-air chemistry places it in HTS 8506.80.00 as other primary cells, excluding lithium and mercuric oxide buttons. Oxygen from air serves as cathode during use.
Duty Rate — Japan → United States
12.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Sealed until activation; special humidity-controlled shipping
• Medical device registration if hearing aid labeled
• Short shelf life post-activation (weeks)