SR521SW Coin Cell Battery from China
SR521SW coin cells are ultra-thin silver oxide primary batteries with dimensions of 5.8mm x 2.1mm, well under 300 cm³, used in micro-electronics like glucose meters and hearing aids. Their silver oxide chemistry and coin configuration classify them under tariff item 8506.40.00.
Duty Rate — China → Canada
7%
Import Tips
• Classify the coin cells as silver oxide primary batteries under 8506.40.00
• Have the product specification sheet showing silver oxide composition and dimensions ready
• Verify if the shipment qualifies for duty-free treatment under a trade agreement by providing a certificate of origin