Jackery Portable Power Station Explorer 300 $280 at Amazon
Amazon with Jackery Inc has the Jackery Portable Power Station Explorer 300 293Wh Backup Lithium Battery Solar Generator (Solar Panel Not Included) for $300 - $30 off coupon
(check green "Save coupon" box) =
$280 with free shipping. Features 2 x AC outlets, 1 x QC 3.0 USB-A port, 1 x USB-C port and 1 x car port.
Original Source of Info