We have all been there, you are out and about, then you notice you have 10% of power left on your cell phone. What do you do? You start looking for a public charging station. Don't plug up too fast, it may be a cell phone charge you WILL regret.
Take a look at what hackers are now using:
https://www.wpbf.com/article/rossen-reports-hackers-taking-advantage-of-public-phone-chargers/30672956
Check this alternative out, at Amazon.com:
2-Pack Miady 20000mAh Portable Charger Power Bank, Dual USB Output and USB-C Input, Fast Charging Battery Pack Charger for iPhone X, Galaxy S9, Pixel 3 and etc https://www.amazon.com/dp/B0828DWL5R/ref=cm_sw_r_other_apa_i_MhjnEbTFRBT8M