The battery status of your Whistle GPS is displayed on your pet's Timeline page, at the top right of the screen.
1. Tap the main menu icon on any screen to expose the main menu.
2. Tap the name of the pet whose tracker you want to check the battery status.
3. The battery status is displayed in the top right of the screen.
In addition, you will receive a Low Battery notification via a push notification and/or SMS depending on your settings.