This is interesting as a gimmick, but it seems wildly impractical compared to charging a power bank from an A/C outlet in a public place. I expect most homeless

This is interesting as a gimmick, but it seems wildly impractical compared to charging a power bank from an A/C outlet in a public place. I expect most homeless people would rather have a power bank that's larger or cheaper than one that can charge from bike pedal power.