Powerbank, USB-C, USB-A, Li-Ion 20V
From Amazon
Dell PW7018LC Notebook Power Bank Plus, USB C, 65Wh
BuyKingston
DELL PW7018LC power bank Lithium-Ion (Li-Ion) Silver
Compadvance
DELL PW7018LC
Athema Services
dell notebook power bank plus usb c, 65wh pw7018lc - eet01