6V 12V 24V Battery Tester, 100-2000 CCA 2Ah-220Ah Automotive Alternator Tester Digital Battery Analyzer for Car/Truck/Motorcycle/ATV/SUV/Boat/Yacht

【AUTO Battery Tester】: This battery tester can test all 6V, 12V, and 24V car batteries with 100-2000 CCA ratings, supporting 2Ah-220Ah (you 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. This battery analyzer is suitable for cars, trucks, SUVs, ATVs, boats, motorcycles, and other vehicles.

【Fast and Accurate】: Quickly and accurately determine the overall health of your battery. This battery load analyzer allows you to test batteries both in and out of the vehicle, even for testing dead batteries. Simply connect the tester clips to the battery, and it will power on and be ready to test and analyze the battery. 【Display Battery Data】: Provides basic battery parameters such as voltage, internal resistance, cold cranking amps (CCA), and Ah capacity, as well as battery health and state of charge. It also offers professional advice on battery replacement or charging. 【Plug and Play】: It's easy to use; simply connect the battery tester clips correctly to the car battery, and it can start working. It can test even a discharged battery, whether the battery is in or out of the vehicle. A large LCD screen with white backlight and adjustable contrast displays test results directly. Easy to carry and worry-free for outings or business trips.

【Reverse Connection Protection】: Connect the red wire to the positive terminal of the battery and the black wire to the negative terminal. The battery tester will function normally. If the clip is not properly tightened, the screen will flicker; if the clip is properly tightened, the screen will not flicker.

【Tips】: 1. You must turn off the engine before testing. 2. This device does not require a built-in battery. 3. When testing a discharged battery, please charge the battery.