Amazon is selling the Jackery SuperCharge 26800 PD Battery Pack right now for just $82. That is good for $28 off of its regular price, but you do need to use the promo code C73RWL5M at checkout. That is a really great price for this battery pack, particularly because it does have USB-C PD.
This battery pack from Jackery does have a 26,800mAh capacity, so it's going to have enough juice to charge up your smartphone a few times before it dies. It is also a USB-C battery pack, so you can use the same cable you used to charge your phone, to then charge the battery pack. But, since that USB-C port does both input and output, it also supports USB-C PD or Power Delivery. What that means is that you'll be able to use this battery pack to charge up something larger, like a laptop or a Nintendo Switch, that would take more current than a smartphone or a tablet. That's what makes this battery pack so expensive, and also a great pick up. Since it can really be used for just about anything these days. If you're looking for a good, future-proof, battery pack, this is definitely the one to pick up. You won't want to wait on this one though, as it likely won't be this price for long.
This item is also eligible for Amazon Prime's free shipping. Which includes free two-day shipping, and pretty cheap (usually $3.99) next-day shipping if you need it extra fast. If you are not an Amazon Prime member yet, you can sign up for a free trial of Amazon Prime. You'll get 30 days free (if you're a student, you get 6 months), and then it's $119/year (or $59/year for students). Prime members do get a whole lot more than just free shipping though, so be sure to check out the full benefits.