KINGBOLEN BM580 Automotive Battery Tester 6V 12V Battery Analyzer Battery Testing Tools 2AH-220AH Reversible Acce Clip Voltmeter Automotive Battery Capacity TesterDoes your battery need to be replaced?There are more and more on-board electrical appliances, and the requirements for battery capacity and quality are getting higher and higher. Can your battery still support it?How to choose?Top reasons to chooseKINGBOLEN BM580 battery testerKINGBOLEN BM580 Battery Tester adopts the state-of-art conductance testing technology in the word to easily, quickly and accurately measure the actual cold cranking amps capability of the vehicle starting battery,healthy state of the battery itself, and common fault of the vehicle starting system and charging system, which can help maintence personnel to find the problem quickly and accurately.KINGBOLEN BM580 notifies the users to replace battery in advance when the battery getting aged.1. Support test wide range of 6V/12V batteries.2. Simple and easy to operate.3. Test batteries IN/ OUT of the vehicle.4. Accurate results in milliseconds.5. Battery life analysis, health percentage.6. Analysis Result: Good, Recharge or Replace.7. Lifetime