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Pros
Pro Supports a wide range of power output
It can output many different voltages and amperage combinations, and can negotiate the correct power output to safely charge almost any device, supporting the following outputs:
USB Type-C: 5V 3A / 9V 3A / 12V 3A / 15V 3A / 20V 2.25A
USB Type-A: 5V 2A / 9V 2A / 12V 1.5A
Pro Can charge 3 devices at once
Pro Has a power output high enough to charge any laptop
The Razer Power Bank supports up to 45W power output needed to support virtually any laptop.
Cons
Con Expensive
Con Higher capacity batteries are available
The power bank has a 46Wh capacity which is around one full charge for a laptop, but portable batteries with 70Wh+ capacities exist, and for the price the capacity is low in comparison.