AUKEY Power Bank Charger, 10000mAh PD 18W USB-C with Quick Charge 3.0 $20.99 + Free S/H

1. Go to Amazon here
2. Order from Aukey direct, fulfilled by Amazon at $29.99
3. Clip the coupon for $9.00 off.
Total price should be $20.99 before tax, with free shipping.