Anker Prime Power Bank (20K, 200W)

The heavy hitter. Twenty thousand milliamp-hours and a massive 200W total output across two USB-C ports and a USB-A, enough to charge two laptops at once at 100W each. It refills lightning-fast itself, so it is ready when you are. For the power user with a bag full of devices and no patience for slow. Top of the Anker line.