8507.30.40.00 - Of a kind used as the primary source of electrical power for electrically powered vehicles of subheadings 8703.40, 8703.50, 8703.60, 8703.70 or 8703.80

This HTS subheading, 8507.30.40.00, specifically classifies nickel-cadmium storage batteries that are designed and used as the primary power source for electric vehicles falling under specific subheadings related to hybrid and electric motor vehicles (8703.40, 8703.50, 8703.60, 8703.70, or 8703.80). The key defining characteristic for classification under this code is the battery's intended and actual function as the main electrical power provider for these particular types of motor vehicles.

While at the same level, sibling category 8507.30.80, "Other," would encompass nickel-cadmium storage batteries that do not meet the specific criteria outlined for primary vehicle power sources. This distinction is crucial for accurate import and export declarations, as it separates batteries dedicated to automotive propulsion from other general-purpose or specialized nickel-cadmium batteries.

As a leaf node, this category does not have further subdivisions. Classification within 8507.30.40.00 hinges entirely on the battery's explicit application in powering electric vehicles as defined by the referenced subheadings within Chapter 87. Therefore, confirming the intended use and compatibility with the specified vehicle types is paramount for correct classification.