Item Type: Battery Tester <br>Material: Iron <br>Function: Intelligent battery power comprehensive tester. <br> <br>ModelMD150MD250 <br>Power Supply ModeDC 12V 2A <br>Constant Discharge Current Adjustment Range0.1-20A <br>Maximum Discharge Current Error0.01A <br>Maximum Discharge Power150W250W <br>Discharge VoltageDC 0.5V-30V <br>Discharge ModeConstant Current (CC) Constant Voltage (CV) <br>Constant Resistance (CR) Constant Power (CP) <br>Dynamic Load Test (DS) <br> <br> <br>Constant Current Resistance Range0.1-30Ω <br>Discharge Current Adjustment Accuracy0.1A <br>Internal Resistance Range1mR-500mR <br>Maximum Discharge Capacity99999mAH <br>Maximum Discharge Time99: 99: 99s <br>Reverse Polarity Protection+-√√ <br>Over Voltage Protection OVPStop Working When Greater Than 30V <br>Over Current Protection OCPStop Working When Greater Than 10AStop Working When Greater Than 20A <br>Over Power Protection OPPStop Working When Greater Than 150wStop Working When Greater Than 250w <br>Built In Over Temperature Protection OTPStop Working Above 75℃<br>1、Power Checker: Can be applied for the test of current, power, dynamic test, ageing, etc. of various DC power supplies. <br>2、Practical Use: Also can be used to test the discharge time, capacity and internal resistance of a variety of batteries. <br>3、Clear Display: LCD screen display, human computer interaction interface and true 4 wire measurement ensure high accuracy. <br>4、Reliable Work: Comes with power down memory, over voltage protection, over current protection and so on for safer working. <br>5、Easy to Operate: Having been connected to computer through USB cable, the monitor allows you to query historical curves.1. It is shipped without power supply, and the power supply needs to be purchased separately. <br>2. Please use it within the proper current and voltage range.<p>1 x Battery Tester</p><p>1 x Testing Line (1 Set)</p><p>1 x USB Data Cable</p>