Description:This Electronic Load has the high speed fan, which can automatically change the speed. High quality heat sink can serve a long time performance. It supports multiple protections of overheat, overpower, over-voltage, reserve polarity, and power supply voltage abnormity.Features:The high speed of the fan can change according to the heat sink temperature.Protection of over-heating, overpower, over voltage, reservepolarity, and power supply voltage abnormity.Equipped with industrial large tooth heat sink, dust-resistant, which can run for a long time.Durable construction for long-lasting performance.Professional test module for detecting discharge battery capacity.Specification:Power Supply: DC12V5 percent Fan Current: 0.72AConstant Discharge Current Range: 0-10A(whole machine)Working Mode: Single Mode Constant Current(CC)Discharge Current Max. Error: 0.7 percent -0.01AMax. Capacity Test Error: 0.5A 2.5 percent , 2A 1.5 percent , 5A and above 1.2 percent Max. Power: 100WInput Interface: 5.5 x 2.5mmSize: Approx. 11 x 9.5 x 7cm or 4.3 x 3.7 x 2.7inchWeight: 385gPackage List:1 x Electronic Load Operation Instructions:Connect with DC 12V power supply and enter electronic load mode, ensuring in a stopping state, connect the power supply under test to the test input port. Please pay attention to connect the right polarity!Set constant current through knobs.Note: Since it works openly, there is no voltage and power limitation, but normal work should be below 100V, 100W.