For PWM Solar Charge Controller with Adjustable Parameters and USB Outputs

Automatic Solar Charge Regulator 10A for 6V 12V For PWM Battery Charging

30A For PWM Solar Charge Controller for Efficient Photovoltaic Management

Adjustable For PWM Fan Speed Controller with USB C Port for Computer Cooling

Dual USB 30A Solar Controller with Adjustable Parameters for Efficiency

10A Solar Panel Charge Controller for PWM Battery Charging Applications

4pin For PWM Speed Controller for Fans with USB C Input Adjustable Speed Range

4 pin For PWM fan speed controller with USB C input for PC fan speed control