Fuhjythy PWM Speed Controller 12V 4Pin Violent Fan Governor PD QC Fast Charging DIY Watercooling Cooler with 1 to 2 Adapter Cable

Built-in PD/QC fast charging protocol trigger (only supports PD/OC fast charging charging head or power bank as power supply device), if With a PD fast charging head over 45 watts, it can output up to 36 watts (12V3A); if With the standard OC fast charging head, it can output 18 watts (12V 15A). Fast charging version of PWM speed regulator suitable for high power/multi-device application scenarios. Support larger current and higher power limit. Applicable scenarios: violent high-power or large number of PWM fans and water pump speed adjustment requirements. The common 12V0.2APWM fans can control more than 15 fans at the same time. Fan speed adjustment range 0-100%.