Douglas Alpenstock wrote:
For anything else, given the time and calories a bike generator requires, I think it might be more efficient to figure out how to do the job without electricity.
Depends on both the task and the person. I have strong legs but bad shoulders. There are a lot of tasks I wish I could convert to pedal power. Some could, theoretically, be run off the bike directly, with the right adapters. But if you don't have the adapters, using the bike to charge a battery might be a workable second-best.