RAVPower 20100mAh USB A+C Qualcomm Quick Charge QC 3.0 Portable Battery Charger Power Bank $39.99

Amazon has USB C Portable Charger RAVPower 20100 Power Bank QC 3.0 Qualcomm Quick Charge 3.0 20100mAh Input & Output Type C Battery Pack for $39.99
https://smile.amazon.com/gp/product/B019IFIJW8/
$49.99
-$10.00 (click "Just Pay $39.99 for each Type-C RAVPower…" promotion link and redeem or enter code RAWE2010 at checkout)
=$39.99
Prime members can choose FREE No-Rush Shipping and get an additional credit. I’m seeing $10 for Furniture, Mattresses, or Area Rugs.