KNACRO Load Tester Board USB 0.15-3A Adjustable Constant Current Industrial Grade Electronic Load Equipment Module Charger Detector Aging Device Intelligent Discharge Resistance with Cooling Fan Smart temperature air-cooled electronic load, small size, beautiful appearance, support continuous discharge power 15W. Discharge current stable, 0.15-3A wide range stepless adjustable constant current discharge. Suitable "Qualcomm QC2.0 agreement," the high-voltage discharge, apply voltage 3.7V-13V. Products suitable output USB interfaces on the market today, more compatibility wider range of applications. Fan intelligent temperature around 40 degrees,Using long-life ball bearing fan,Fast speed,Support continuous 15W discharge uninterrupted work strong wind,Suitable for long-term discharge or factory for product aging test.&lt;