Tripp Lite Portable Charger - 2x USB-A, USB-C with PD Charging, 20,100mAh Power Bank, Lithium-Ion, USB-IF, Black power - UPB-20K0-2U1C - Office Basics - CDW.com
CulCharge 3-in-1 PowerBank 2:GO – battery 1800 mAh USB-C key ring : Amazon.nl: Electronics & Photo
CulCharge puts a powerbank and charger on your keychain