Model name: PW7015M

Comes with two USB ports and an output power cable

43 Wh, 12000 mAh, provides my XPS 13 9350 for 1.5 to 2 hours of power

Bought in 2020 for about $80. Used for ~100 charge/discharge cycles. Great travel companion

Dell documentation: https://www.dell.com/support/home/en-us/product-support/product/dell-portable-power-companion-pw7015m/docs

Similar product: https://www.ebay.com/itm/264554536384