Portable charging stations: What are they, how do they work and how do they differ from a powerbank?

Read the original note in the following link: Portable charging stations: What are they, how do they work and how do they differ from a powerbank? The electricity cuts that occurred last winter in Chile, together with the recent blackout that affected from Coquimbo to Puerto Montt, lead us to wonder if we should consider buying a generator, a generator group, solar panels or another alternative such as energy backup, such as portable charging st…