1. Supports the battery -up function of all models of 11- mobile phones, eliminating the need to purchase battery cables of models. 2. The system -up window can be modified on a single machine to set the battery efficiency and cycle times, eliminating the need for cumbersome settings of adding cables to the host. 3. Support USB connection to computer to upgrade firmware and add functions, add support for new devices, etc. 4. Support battery information reading, battery cable data modification and other operations. 5. The LCD color screen displays real-time battery voltage and current, -up status and other information, and the buttons are easy to operate. This instrument can repair the battery efficiency of the entire range of 1-15 without the battery cable -up window. It is simple and convenient, and can be continuously upgraded. There is no need to purchase additional battery cables. Wo9pro V3 battery efficiency -up tester Tips: The product may be updated constantly, Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Material: Electronic component colour: Black Package Contents: 1 x W09 Battery Health Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.