Other information:
The USB port (1.0A) is for playing audio files
on a USB flash drive, connecting a cellular
phone, and charging devices.
Models with Display Audio
The USB port (1.5A) is for charging devices,
playing audio files and connecting compatible
phones with Apple CarPlay™ or Android
Auto™...
Once your vehicle's engine has started, remove the jumper cables in the
following
order:
Disconnect the jumper cable from your vehicle's ground.
Disconnect the other end of the jumper cable from the booster battery
terminal.
Disconnect the jumper cable from your vehicle's battery
terminal...