It was something similar to this. HOPWINN Portable Power Station Apollo-P 300, 288Wh Backup Lithium Battery, 300W/110V Pure Sine Wave AC Outlet, with DC/USB/Type-C/Car Port/Flashlight, Solar Generator for Outdoor Camping Home Blackout https://www.amazon.com/dp/B0BBMT8W5S?ref_=cm_sw_r_apin_dp_A22RDTBTBKN5XMTESKRE