Digital Battery Tester 6V 12V 24V 100-2000 CCA for Car Truck Motorcycle ATV SUV Boat

【AUTO Battery Tester】: The battery tester can test all 6V 12V 24V100-2000 CCA car batteries, supports 2Ah-220Ah (need to enter the corresponding CCA value on the battery), including AGM flat plate. (AGM tablet battery), AGM spiral (AGM winding battery), GEL and EFB batteries, battery analyzer for cars trucks SUV ATV boats motorcycles vehicle etc. 【Fast and Accurate】: Quickly and accurately determine the overall health of the battery. And the Battery Load Analyzer allows you to test batteries both in-vehicle and out-of-vehicle, even test dead batteries. Simply connect the clips of the tester to the battery, then it will turn on and be ready to test and analyze the battery.【View Battery Data】: Provides basic battery parameters such as voltage, internal resistance, cold cranking current and AH capacity, battery health and charging status, shows you professional tips for replacing or charging the battery. 【Plug and Play】: It is simple to use, just connect the clip of the battery tester to the car battery correctly and it can start working whether the battery is in the vehicle or out of the vehicle, a discharged battery can be tested. With a large LCD display with white backlight and contrast adjustment, directly shows test results. Easy to carry and worry-free for outings or business trips. 【Reverse Connection Protection】: Red connects to battery positive and black connects to battery negative, the battery tester works normally.if the clip is not properly tightened, the screen will flicker, the clip is properly tightened, the screen will not flicker. 【Tips】: 1.You need to turn off the engine to test. 2. This device does not need a built-in battery. 3. When testing a discharged battery, please charge the battery.