🚗 BM550 Car Battery Tester | 6V 12V 24V Voltage Tester | 100-2000 CCA | Internal Resistance Tester | Digital Analyzer for Automotive Alternator | Truck Marine Motorcycle SUV Boat Review

【Car Battery Tester】 BM550 can test all 6V/12V/24V 100-2000CCA batteries including regular flooded, AGM flat plate, AGM spiral, or gel batteries. Provide overall analysis of batteries’ health and help you know its status in advance before it dies. The test results based on CCA Standard. 【Display Extensive Batteries Data】Battery analyzer applied with the latest conductivity method to measure, the tester will scan the battery and give you an accurate test result in. Including internal Resistance Test,Voltage Test,status of Healthy ( SOH), status of charge (SOC) and CCA value test. 【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】 BM550 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.