I used the motor (now, operationally, a generator) to charge a 12-volt lead–acid battery. ... And, yes, the generator did make indoor bike riding fun. After a while, ...

However, the bike powered generator could not power the larger load of a computer. The remedy for this was to purchase a solar charge controller and a 12 volt battery.

The project to generate electricity from a stationary bicycle developed by Disha Karigar, a class VII student of Mythri Higher Primary School at Shikaripur, has been selected for a national-level ...