Powerbank watts meaning. 10W, 18W, 25W, 65W powerbank difference

What is the meaning of watts in case of powerbanks ? What is the difference between powerbank with 10W, 18W, 25W or 65W ?

The number of watts stands for a total energy that powerbank can output at a given time. For example 18W powerbank can provide 18W for 1 hour, or 1W for 18 hours.

Some larger devices, like laptops may require a higher power supply, meaning you should use a powerbank with more watts.

In other words, more watts also means a faster charge.

Powerbank wattage:

• 10W are typical for powerbanks with wireless charging
• 18W are typical for standard powerbanks with wire charging, used for mobile phones, tablets etc.
• 25W powerbanks allow faster charging of some devices
• 65W are typical for laptop powerbanks