Car Battery Tester, BM550 6V 12V 24V 100-2000 CCA Voltage Tester 2Ah-220Ah Internal Resistance Tester Accurate Digital Auto Battery Analyzer for Cars Trucks SUV ATV Boats Motorcy s Vehi

Fast and >99.6% Accuracy With the bulit-in intelligent microprocessor which makes test fast and accurate, compared with the US Midtronics. the accuracy rate is as high as 99.5%.At the same time, the test results can be displayed within two seconds. Plug and Play BR502 Battery load analyzer allows you to test batteries both in-vehicle and out-of-vehicle, and even test dead batteries. Just connect the tester’s clips with battery then it will turn on and ready to test and analyze battery. It’s that easy! Safty and Protection Deigned with polarity reverse connection protection.If the positive and negative poles are reversed, it won't damage the device or affect the car or the battery. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions., Weight: 280.0 grams, Manufacturer: OBDResource