• BM550 can be adapted to 95% batteries, such as ordinary batteries, EFB batteries, AGM batteries, AGM Spriral batteries, GEL batteries • The car battery tester is able to efficiently analyze and read important car data such as voltage, internal resistance, cold crank ampere and AH capacity, battery health and state of charge • It provides accurate results, calculating the cold cranking capability and aging of the battery, enabling faster and more precise car repairs • It provides a quick, simple and cost-effective solution for the technician or DTYer to better understand the state of charge of the battery, check the health of the battery and detect faults • Suitable for motorcycles, cars, lawn mowers, golf carts, ATVs, trucks, marine batteries Specifications: • Product: Battery Tester • Model: KINGBOLEN BM550 • Screen size: 1.8 inches • Test range: 6V/12V/24V • Connection method: positive and negative clips • Working voltage: 4.9V~32V • Material: PVC material • Operating temperature: -4°F~122°F (-20°C~50°C) • Dimensions: 4.88 x 2.74 x 0.89 inch (124x69.6x22.6mm) Package included: •1 x Battery Tester •1 x English User Manual