Description
A DC hydro generator is a small device that produces electrical energy using flowing water. It works by allowing water to enter through an inlet pipe where it spins an internal turbine connected to a brushless DC generator. This converts the mechanical energy of moving water into electrical energy, typically at low DC voltage such as 18 V or 36 V.
A PWM charge controller is used with the generator to regulate the voltage and current before charging a battery. It prevents overcharging, protects the battery from deep discharge, and provides stable power to connected loads. Although commonly labeled as a “solar controller,” it can also be used with a hydro generator because both supply DC power.
This setup is suitable for small power needs such as charging batteries, lighting with LEDs, and powering microcontroller projects, especially in off-grid or rural locations with available water flow.




