Compatible Models: This small battery tester is suitable for IOS 8, 8P, X, XR, XS, XSMax, 11, 11Pro, 11ProMax, 12, 12Pro, 12ProMax, 12Mini, 13, 13Pro, 13ProMax, 13Mini, 14, 14Plus, 14Pro, 14ProMax. Automatic Parameter Matching: With automatic parameter matching, the battery cycle tester is able to perform various performance tests, charge and discharge testing, record keeping, and computer software curve assistance, ensuring optimal results for each specific battery model. Efficient Battery Repair: Say goodbye to inefficiencies caused by replaced battery cores. The battery cycle tester efficiently repairs battery efficiency and cycle issues while being stable, error free and with low power consumption. Comprehensive Battery Testing: The battery cycle tester comes loaded with a battery detection and repair function, which allows you to both repair and modify battery data, and check if the battery data is normal, ensuring that batteries are in great condition. Ergonomic Design: The battery cycle tester features a size that fits naturally in your hand and a user centric design that provides a comfortable and easy to use experience.