When I bought the
https://www.amazon.com/Villain-Portable-20000mAh-Qualcomm-Powerbank/dp/B08527CGRT power bank 20000mah, I was guided by one advantage. Access to energy for charging anywhere.
Whether you're just a few steps from a power outlet or flying on an airplane, a power bank gives you the power to keep your device's battery charged. You no longer have to worry about your dead phone again, especially in emergencies. And then it turned out that the benefits are even greater than I thought.