1、Programmable DC Electronic Load Tester: Test and analyze the performance of various DC power sources with this versatile electronic load tester. 2、LCD Display with Adjustable Backlit: Easily monitor and view the test results and parameters on the clear LCD display, even in low light conditions. 3、Multiple Measurement Modes: Choose from CC, CV, CR, and CP modes to accurately measure and evaluate the performance of your power sources. 4、Battery Testing Capability: Test the capacity, efficiency, and performance of batteries with the dedicated battery testing feature. 5、Remote Operation and Data Storage: Control and monitor the load tester remotely through the USB, RS232 (optional), or 485 (optional) interfaces, while conveniently storing test data for analysis. Item Type: Electronic Load Tester Material: Aluminum Alloy Rated Input Power 200W Input Voltage 0-120V Input Current 0-20A Constant Voltage Mode Range 0.1~19.999V, 0.1~120.00V Resolution 1mV, 10mV Accuracy ±(0.05%+0.02%FS) Constant Current Mode Range 0~3.000A，0~20.00A Resolution 1mA, 10mA Accuracy ±(0.05%+0.05%FS) Constant Resistance Mode Range 0.05Ω~4.50kQ Resolution 10mΩ, 1Ω Accuracy ±(0.1%+0.5%FS) Constant Power Mode Range 0~200W Resolution 10mW Accuracy ±(0.1%+0.5%FS) Dynamic Test Function Mode CC, CV T1 and T2 0.05s~99.999s Battery Test Function Discharge Mode CC, CR Maximum Discharge Capacity 9999Ah Resolution 1mA, 10mA, 10mQ, 1Ω Measuring Range Voltage Read Back Value Range 0~19.999V, 0~120.00V Resolution 1mV, 10mV Accuracy ±(0.05%+0.1%FS) Current Read Back Value Range 0~3.000A, 0~20.00A Resolution 1mA, 10mA Accuracy ±(0.05%+0.1%FS) Power Read Back Value Range 200W Resolution 10mW Accuracy ±(0.1%+0.5%FS) Range of Guard Overvoltage Guard Greater than 21V or 125V overvoltage guard Overcurrent Guard Greater than 3.1A or 21A overcurrent guard Overpower Guard 210W Overtemperature Guard 85℃ 1 x Electronic Load Tester 1 x Plug