1. Integrated 9 Apple / 18 Android battery connectors, compatible with over 95% of smartphone batteries on the market! Charges any Android battery with compatible terminals! 2. Automatically matches optimal charging current to prevent battery damage 3. 5V-9V Adaptive Voltage: Operates across full input voltage range (5V-9V) without manual switch adjustment 4. Multi-interface Charging/Output: Supports Type-C, USB, and crocodile clip connections for flexible usage scenarios 5. Dual LED Display: Real-time monitoring of voltage/current changes for enhanced visibility and control 6. Smart polarity recognition; Auto-indicator when fully charged; Full protection against short-circuit/reverse-connect; One-touch battery revival function
