【9 Measurement Functions】 It can be used to test battery voltage (0~200V), discharge current (100A), discharge power, discharge impedance, internal resistance, capacitance, discharge energy, power consumption, and operating time. 【HD LCD Screen with Blue Backlight】 The all-angle viewing display provides a better visual experience. A 360° view with no blind spots and the blue backlight make the results clear day and night. 【One-Button Adjustment】 With just one button, you can adjust the full and cutoff voltage, select the current range, clear data, and choose normal/sleep mode. 【Screwless Installation Design】 Thanks to the plug-in terminal installation design, it is easy and convenient to install and remove wires without the need for screws. screw 【Wide application】 With high-precision chip control, efficient and stable operation, measurement accuracy reaches 1%, can be widely used in automobiles, solar systems, industrial assembly lines