Features: The Battery Efficiency Popup Tester is essential tool for diagnosing and optimizing smartphone battery health, ensuring your devices operates at good performances. Featuring a user friendly interfaces, this tester provides precise measurements of battery efficiency and supports data repair for cable, suitable for various phone brands and models. Suitable for mobile repair shop owners and technicians who require accurate battery efficiency testing and popup diagnostics to deliver professional service. Use this device in repair centers or home for routine battery health checks or to swiftlies troubleshoot and fix connection issue with the cable efficiency data repair function. Crafted from ABS, the Tester not only enhances maintenance efficiency but also extends the lifespans of smartphones by enabling early detection of potential battery problems. Specifications: Material:ABS Package Includes: 1Piece Phone Battery Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.