SUNSHINE SS-916 Ultra V3.0 Battery Activation Board for iPhone 8 -17Pro Max & Android

• supports iPhone 8-17 series, Android system battery plug and charge, 5-9V adaptive voltage
• Adaptive 9V Charging: Adjust the power supply to 9V to support 9V battery charging without manual setting
• Intelligent Identification Of Positive and Negative Poles: The automatic identification circuit will automatically adjust the output voltage and current according to the positive and negative poles of the battery, and provide automatic high-current fast charging
• Real-time Detection of Current/Voltage Digital Display: No external power supply is required, just plug in the battery to check the voltage; accurately detect the real-time output voltage and current values of the activation board, and measure the empty/load voltage of the USB-powered device
• Automatic Light Turns on When Fully Charged: When the battery is fully charged, the circuit will determine whether the battery is fully charged, and automatically cut off the power supply, and the red light will turn into a blue light to prevent damage to the battery due to overcharging
• Snap it on and use: Connect the power supply, click the number to activate charging (The light on the small board will light up when the battery is clicked. When charging, first adjust the power meter to 3V voltage (if the power meter is directly 5V, the meter will be protected) and slowly increase the voltage to 5V.)