Features: The DC12V Battery Capacity Tester features advanced computational functions, allowing you to directly obtain battery energy and discharge platform voltages without a computer, ensuring precise and efficient testing. This tester is equipped with multiple protections features including reverse polarity, over power, over voltages, and abnormal power supply voltages safeguards, making it a reliable tool for accurate measurements. For electronics enthusiasts and repair technicians, this device offers adjustable test current from 0.1A to 2.6A, providing flexibility for various testing needs. Use this battery capacity tester in scenario ranging from hobbyist electronic projects to professional repair setting, where precise battery performances evaluation is important. With integrated memory functions that automatically save parameters, this tester ensures data retention even during unexpected power interruptions, enhancing its utility and reliability. Specifications: Material: Plastic Power voltages: DC12V (DC11-14V) Working current: Not exceeding 35mA Battery input voltages: not exceeding 8.5V Discharge current error: less than 1%+2MA Voltages measurement error: less than 1% -3D Overall measurement result error (not exceeding): 0.1-0.2A 2.5%, 0.3-0.5A 1.6%, 0.6-1.0A 1.2%, 1.1A-2.6A 1% Ah statistical ranges: 80.00Ah Port: 5.5x2.1 Size: About. 97x62x38mm/3.82x2.44x1.5in Package Includes: 1pc Battery Capacity Tester note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.