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
Power Bank Keychain
Keep your phone going with the CulCharge keychain powerbank - The Gadgeteer
Monoprice 2-Port 10,050mAh Power Bank USB Charger, Up to 3A Output For iPhone Android And Galaxy Devices, Power Delivery Input And Output - Walmart.com