1. JTX B9 battery activation test board compatible with iPhone 6S to 17 Pro Max and Android 400+ models
2. Intelligent Recognition/Overload Protection/Auto Power Off
3. One-Click Battery Activation: Snap on the battery connector. With a simple press of a button, quickly activate it to give your battery a new lease on life
4. Plug and Play Battery Charging: Snap on the battery connector-no complicated steps required. Just a quick snap for fast charging, giving your battery a new lease on life
5. Charging/Output Multi-Interface: Features both Type-C and USB interfaces, with voltage-regulated output for flexible use
6. Real-time Monitoring Digital Display of Current/Voltage: When the device is not powered, it displays the batterys voltage and current
7. When the device is powered, it displays the real-time voltage and current of B9 charging the battery
8. Full of automatic power-off: The battery will automatically shut off when fully charged, and the blue indicator light will turn off
9. High-voltage battery: Activate charging 5-9V adaptive voltage
10. Smart Polarity Detection: Intelligent automatic polarity detection, effortless and time-saving