Baseus Brand Store via Amazon has for Prime Members: Baseus 100W 20,000mAh Laptop Power Bank with 2 USB-C, 2 USB-A Port on sale for $79.99 - $40 off when you apply promo code NDC6X5B6 at checkout = $39.99. Shipping is free.

Baseus Brand Store via Amazon also has Baseus 20800mAh 145W Laptop Power Bank Portable Charger w/ 2x USB-C & 2x USB-A on sale for $55.56 - $10.56 off when you apply promo code 5SV7JD7S at checkout = $45. Shipping is free.

Thanks to Staff Member DesertGardener for finding this deal.

Note, promo codes do not stack with other coupons on product page