When the mobile device is fully charged or the connection is interrupted, the charging process is automatically canceled. Automatic detection technology automatically recognizes the current of your device (3.4A Max.), regardless of which port you connect your device to, the Poweradd Pilot X7 detects the correct voltage. Easily know the battery level: The four LEDs on the top indicate the battery level. Small flashlight: The handy flashlight can be activated and deactivated by long-pressing the power button. Compatible models: All Apple devices as well as smartphones, tablets, and other devices that require 5V USB charging. The right port has charging detection for iPad.