LR44 Mercuric Oxide Button Cell Battery from Mexico
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.
Duty Rate — Mexico → 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
• Declare as hazardous material (UN2803) and comply with IATA/DOT shipping regulations for mercury-containing batteries
• Provide material safety data sheets (MSDS) confirming mercuric oxide content to avoid misclassification as alkaline batteries
• Check destination country restrictions on mercury content due to environmental regulations like RoHS