AnkerDirect through Amazon has Anker PowerCore 10000 PD 10000mAh USB-C Power Bank (18W) for $29.99 (45.99 – 16 coupon) with Free Shipping for a limited time. To get the discount, use the coupon code: ANKERPD335 at checkout.
The classic high-capacity portable charger, now with Power Delivery for USB-C devices. Charge your mobile devices at an optimized speed via the USB-A port. Your USB-C phones, tablets, and more get a full-speed charge from the Power Delivery port at the same time.