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Battery Management System Module from Japan

Li-ion battery management system (BMS) module with cell balancing and protection functions for 4S packs. Classified HTS 8543.70.98 as electrical apparatus for battery monitoring, balancing, and safety control. Monitors voltage, current, temperature.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

Import Tips

• UN38.3 transportation and cell chemistry compatibility docs

• Overcharge/overdischarge voltage thresholds specification

• Complete battery vs BMS module critical distinction