Best generator motor. Very easily generate power. Even you can rotate it by hand it will generate power and can glow a led easily. suitable for wind energy in air turbine, water energy, hand crank energy etc. Dual shaft DC mini generator motor.
DC Mini Generator Dynamo Motor 3-15v 30 watts Power Generation
Generating voltage - 3-15v aprox depending upon speed
Generating current - 2A max
Generating power - 30 watts max
Shaft dia - 2 mm
Motor length - 30mm
motor dia - 24mm
Capacitor inbuilt to rectify the output current.
RPM - 100-3000 rpm.
As fast you can rotate this it will generate more and more power.
use a pulley or gear system to increase the speed.