Looks like a good price for 20000mAH with PD. Be advised this is only 18W so might not be enough to power laptops.
Dimensions
2.1 x 7.7 x 15.4mm
Weight
420g
Battery Capacity
20,000mAh
Input
Type-C: 5V/3A, 9V/2A | Micro: 5V/2A, 9V/2A
Output
Type-C: PD 5V/3A, 9V/2A, 12V/1.5A | USB-A: PD 5V/3A, 9V/2A, 12V/1.5A
Original Coupon Deal credit to Dealbot
Are any of these possible to power laptops though ?