SR44 Silver Oxide Button Cell Battery from Japan
The SR44 is a small silver oxide button cell battery with an external volume under 300 cm³, commonly used in watches and calculators. It falls under HTS 8506.40.1010 as a primary silver oxide button/coin cell battery not designed for recharge. Provides stable voltage output of 1.55V for low-drain devices.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify battery volume does not exceed 300 cm³ and confirm silver oxide chemistry via material safety data sheets
• Include UN38.3 test reports for lithium-free primary cells; label with proper shipping names per DOT/IATA regulations
• Avoid misclassification as rechargeable cells (8507.60) which have different duty rates and testing requirements