SR44 Silver Oxide Button Cell Battery from United States
The SR44 is a small silver oxide button cell battery with an external volume under 300 cm³, commonly used in watches and calculators. Its silver oxide chemistry and primary (non-rechargeable) nature classify it under tariff item 8506.40.00 for silver oxide primary cells.
Duty Rate — United States → Canada
7%
Import Tips
• Declare the battery as a silver oxide primary cell under 8506.40.00
• Provide the manufacturer's datasheet to confirm silver oxide chemistry and volume
• Ensure the goods are marked as non-rechargeable to avoid misclassification