Maxell XR44 Air-Zinc Hearing Instrument Cell from Mexico
Maxell XR44 (PR44 equivalent) zinc-air primary battery powers behind-the-ear hearing aids with stable 1.4V output via oxygen reduction. Falls under HTS 8506.60.0090 as other air-zinc primaries. Features extended runtime post-activation.
Duty Rate — Mexico → United States
12.7%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cross-reference ANSI battery size standards (PR44/675) in documentation for classification consistency
• Include activation humidity test data to prove air-zinc mechanism
• Avoid mixing lots with alkaline cells in same shipment to prevent inspection delays