377 Manganese Dioxide Silver Oxide Button Cell from Japan
377 (SR626SW equivalent) 1.55V button battery combines silver oxide and manganese dioxide for hearing aids and precision instruments. Fits HTS 8506.10.00.10 manganese dioxide primary coin cell criteria. Ultra-low self-discharge rate.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• HIPAA privacy packaging required for medical device battery imports
• Voltage stability test protocols essential for hearing aid qualification
• Magnetic interference testing for devices near medical implants