Features: The Professional Testing Board is for efficient battery diagnostics, enabling rapid assessment of battery health and charge discharge efficiency to enhances productivity. Equipped with high precisions sensors and measurement circuits, this board ensures accurate and reliable result. Ideal for electronic engineers, repair technicians, and DIY enthusiasts interested in battery performances analysis and testing. Perfect for use in laboratories, repair centers, and educational institutions, facilitating comprehensive battery performances evaluation and teaching. While its PCB construction ensures long performances, making it a essential tool for any battery related task. Specifications: Material: PCB Size: About. 4x9cm/1.57x3.54in Package Includes: 1pc Battery Life 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.