TWS Battery Compartment Subassembly from Mexico
Assembled module with lithium-polymer battery, protective circuit, and metal chassis fastened for TWS earbuds (8519.81.41). Provides power management and safety features. Qualifies under 8522.90.36.00 for multi-part assemblies dedicated to wireless headphones.
Duty Rate — Mexico → United States
10%
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
• Include UN38.3 certification and MSDS for battery components in entry docs
• Declare exact compatibility with 8519.81.41 models to substantiate sole use claim