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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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