The item under consideration is the Yeti 1000x Portable Power Station, which contains a 1000 watt-hour rechargeable lithium-ion battery encased in a housing that features USB ports, 12V ports, and AC output ports. The unit is recharged using an 8mm charge port or High Power Port. An LCD display indicates the charging rate, power usage, and battery level. The power station provides backup and portable power to electronic devices through a variety of ports.
[1] Please importantly note that only the relevant portion of the related is displayed above. You may refer to the said customs ruling for the entire ruling explanation.
[1]. https://rulings.cbp.gov/ruling/N323400