Features:  Original IR Power Tube: industrial grade design, can ensure long-term operation stability.  Dual NMB Ball Bearing High Speed Fan: intelligent fan control that can automatically change speed according to radiator temperature, not afraid of dust.  Classic Digital Display: intuitive, durable, and more resistant to high temperatures than liquid crystals.  Rotary Encoder Setting: electronic load with simple operation and various functions for discharge battery easily and safely.  Multiple Protection Functions: overheat protection(OTP), instantaneous overpower protection(OPP), overvoltage protection(OUP), reverse connection protection, abnormal power supply voltage protection.    Specifications:  Material: PCB  Working Power: DC12V, current 0.5A or more  Working Mode: Single mode constant current (CC)  Discharge Current: 0.20~9.99A, Step 0.1A or 0.01A  Maximum Discharge Current Error: 0.7%-0.01A  Maximum Error in Capacity Test: 0.5A 2.5%, 2A 1.5%, 5A and above 1.2%  Termination Voltage Setting Range: 1.0-25.0V, step 1V or 0.1V  Discharge Voltage: 1.00-30.00V (subject to MOS internal resistance and other losses, the measured input 1V can support 6-7A current, 9.99A requires the measured voltage is greater than 1.3V)  Maximum Error in Voltage Measurement: 0.8%±0.02V  Maximum Power: 60W, exceed power automatically limits the maximum current (for maximum 60W, it can open 9.99A at 6V and at most 3.00A at 20V)  Highest Statistical Value of Battery Test: 999.9Ah or 9999Wh, reach the value to stop the test  Positioning Hole Position: 60 * 88mm / 2.36 * 3.46in  Hole Diameter: 3.2mm / 0.13in  Item Size: 100 * 70 * 57mm / 3.94 * 2.76 * 2.24in  Item Weight: 170g / 5.99oz  Package Weight: 180g / 6.35oz    Packing List:  1 * Module