Photovoltaic generator
The merchandise under
consideration is identified as the Raptor Pro, which is a photovoltaic
generator consisting of two 1.5 Watt solar panels, a lithium battery, battery
level indicators, and electrical connections for charging personal electronic
devices.
The solar panels and lithium battery are permanently combined to form
a pocket sized, foldable, USB quick charging device.
Subheading HS: 8501.31.
Source: https://rulings.cbp.gov/index.asp, June 14, 2017 (N287100)