eCase via Amazon offers the Kmashi Quick Charge 2.0 20,000mAh Portable Battery Pack, model no. Victor K6, for $27.99. Coupon code "DLVBRVP7" cuts it to $18.99. With free shipping, that's tied with our March mention as the lowest price we've seen. (It's the best deal now by $13.) It includes one Kmashi Quick Charge 2.0 20,000mAh external battery, one micro USB cable, one VIP card, and a user manual.