Don't be concerned about leaving your phone charging unattended! When your phone is unplugged or the battery is fully charged, the Power Alarm Signal 2022 will sound an alarm. When you don't have access to a plug, this is a great way to leave your phone and know it will be safe.

When your phone is fully charged, it sounds and vibrates to let you know.
When you need a speedy charge but don't want to check your phone every minute, this is ideal.
If you don't like leaving your phone plugged in after it's been charged, this is also a good option.