DollaTek Electronic Load resistor USB Interface Discharge Battery Test Capacity 0.15 3A 15w with Fan

This electronic load which is provided with ordinary fan is specially designed for amateur, and supports continuous 15W discharging for non-stop work. Adjusting knob of constant current potentiometer: can increase current by clockwise rotation and decrease current by anticlockwise rotation Start or stop reserved interface: will automatically start or stop along with change of temperature by default USB positive and negative pole can be led out separately. NTC thermistor: it controls the fan to automatically start or stop when its temperature is about 40.