Search on Amazon for "portable power station"
I see few people recommend this one Portable Power Station, TrekPow 296Wh 80000mAh Backup Lithium Battery with 110V/350W AC Outlets, Wireless Charging & LED Light, Clean Solar Generator for Home Camping CPAP Road Trip https://www.amazon.com/dp/B08DTPYFLS/ref=cm_sw_r_cp_api_glt_fabc_R1K420JZQ3W8W96WHKZJ?_encoding=UTF8&psc=1