E-FAST battery tester digital display parameters 12V/24V car battery charging tester Color: yellow and black Package weight: 390g Package size: 21*14*5cm Function: Internal resistance detection, voltage detection, remaining life, power detection, release current Specifications: 1. Wide range of use (12V24V), applicable to a variety of vehicle battery testing 2. It can detect a number of battery data, including internal resistance/voltage/discharge current/power/life, so that you can get it all done with one machine in hand 3. With multiple protection functions, no burner for wrong connection within 100V, no burner for wrong connection of positive and negative poles, and intelligent prompt for bad contact of clips 4. The use of intelligent chip control, detection of high accuracy, fast detection data 5. The use of intelligent large screen full content display, all the test content at one time, to avoid rummaging to view 6. Connect the positive and negative clamps, select the type of battery, adjust the CCA, press the OK button to instantly obtain the test data, easily 10 seconds to get Package Included: 1*Testers