DROK 200086 Lithium Battery Protection Board, 14.4V/14.8V/16.8V 4-series Lithium Battery Pack Overcharge Over-discharge Over-current Short-circuit Protection Circuit Module Automatic Activation

Parameters: working voltage: DC 6v-30v (output voltage is 0-100 percent of input) rated current: 6a maximum current: 8a control power: 36w-180w speed regulation range: 0 percent -100 percent product frequency: 16kHz potentiometer: b100k resistance, 20 cm wire Length, 8mm opening dimension: 79mm * 42mm * 24mm weight: 57G note: the input of DC motor speed regulator should be DC, can't be AC, or the regulator will be burnt. Please make sure the connection with power supply is correct, or the speed controller will be broken. The positive and negative of motor can be ignored, when the running direction is inconsistent with the expectations, you can adjust the order of the cable to change the orientation. Adjust potentiometer knob, which can change the output occupying Vacancy proportion of controller, to change motor speed. The display has protective film, you can tear it off before using. Package includes: 1 x DC motor speed regulator.