1、A Capacity Tester: This tester can test the power, AC voltage, current and other parameters to better monitor the battery working status. 2、Has High Accuracy: Can test 0-20A and AC 40-280V, the battery meter also supports use percentage programming to the corresponding voltage. 3、Various Functions: Comes with large LCD screen that has blue backlight, also has power off memory, over current setting and other functions. 4、Wider Application: Widely used as battery voltmeter, battery capacity tester and indicator panel for cars, ships, recreational vehicles, etc. 5、Easy Installation: Light in weight and compact in size as well, the battery voltage current monitor is very convenient to install in minutes. Item Type: Battery Capacity Monitor Material: ABS Model: AC20 Test Range: 0-20A 1 x Battery Capacity Monitor