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LR44 Mercuric Oxide Button Cell Battery

A small LR44 mercuric oxide button cell battery used in watches, calculators, and small electronic devices. It provides stable voltage output over long periods, characteristic of mercuric oxide chemistry, and is classified under HTS 8506.30.5000 as 'other' mercuric oxide primary cells not specified elsewhere in the subheading.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
πŸ‡¨πŸ‡³China2.7%+37.5%40.2%
πŸ‡²πŸ‡½Mexico2.7%+10.0%12.7%
πŸ‡¨πŸ‡¦Canada2.7%+10.0%12.7%
πŸ‡©πŸ‡ͺGermanyFree+10.0%10%
πŸ‡―πŸ‡΅JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8506.10.00Same rate: 40.2%

If silver oxide chemistry instead of mercuric oxide

Silver oxide primary cells fall under a separate subheading based on active material chemistry

8506.50.00Same rate: 40.2%

If lithium-based primary cell

Lithium primary cells are classified separately from mercuric oxide cells

8506.90.00Same rate: 40.2%

If imported as parts or components only

Separate parts of primary cells fall under the parts subheading

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Declare as hazardous material (UN2803) and comply with IATA/DOT shipping regulations for mercury-containing batteries

β€’ Provide material safety data sheets (MSDS) confirming mercuric oxide content to avoid misclassification as alkaline batteries

β€’ Check destination country restrictions on mercury content due to environmental regulations like RoHS