Utilizing cutting-edge conductance testing technology and reverse polarity protection, this versatile 12V-24V battery tester provides technicians with essential insights into battery health. Diagnose battery and recharging issues swiftly, effortlessly, and precisely. Features: Compatible with various motorcycle and car batteries. Bright digital display for clear visibility of readings. Enter accurate Cold Start current parameters for precise battery assessment. Results displayed in 3 seconds: internal resistance, voltage, and discharge capacity. Equipped with an intelligent chip for high accuracy and rapid data acquisition. Multiple protections ensure safety even if mistakenly connected up to 100V. Specifications: Color: Red, Yellow (optional) Screen Size: 2.7 inches Working Voltage: 8-30V Cable Length: 0.7 meters Storage Temperature: -20℃ to 70℃ (-4℉ to 158℉) Working Temperature: -20℃ to 60℃ (-4℉ to 140℉) Item Size: 170 x 90 x 34 mm (6.7 x 3.5 x 1.4 inches) Item Weight: 360 g (12.7 ounces) Package Size: 205 x 140 x 55 mm (8.1 x 5.5 x 2.2 inches) Package Weight: 440 g (1.0 lb) Packing List: 1 x Battery Tester 1 x Cable 1 x User Manual