Zinc-Air Primary Button Cell
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.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If non-zinc air button chemistries
Most button primaries (alkaline, silver oxide) specifically under 8506.10 regardless of size.
If sold as hearing aid component
Hearing instrument batteries often classified under medical appliances.
If pre-packaged with medical devices
Pharmaceutical preparations including batteries for medical use shift to Chapter 30.
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Import Tips & Compliance
• Sealed until activation; special humidity-controlled shipping
• Medical device registration if hearing aid labeled
• Short shelf life post-activation (weeks)
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