377 Manganese Dioxide Silver Oxide Button Cell from United States
The 377 (SR626SW equivalent) is a 1.55V button battery that combines silver oxide and manganese dioxide for hearing aids and precision instruments. This primary cell is non-rechargeable and features ultra-low self-discharge, making it suitable for long-term use in small devices. It is classified under tariff item 8506.10.90 as a manganese dioxide primary button cell.
Duty Rate — United States → Canada
7%
Import Tips
• Ensure the batteries are properly labelled with their chemical composition and voltage
• Be aware that button batteries may be subject to child-safety packaging regulations in Canada
• Verify if the batteries qualify for duty-free entry under trade agreements