Here is a power bank designed to handle your laptop. The Baseus Blade HD Series 100W Power Bank has 20000mAh capacity. It is only 0.7 inches thin, so you can easily take it with you anywhere. It is compatible with USB-C laptops. It has 2 x USB-C and USB-A ports and can charge MacBooks, Chromebooks, iPads, iPhones, and other devices fast.
This power bank has safety features built-in, including overcurrent, overvoltage, and short circuit protection. It has LED display to track charging time and speed.