Select your product to confirm this information applies to you
Forerunner 745 Battery Life Expectations
The battery life of your Garmin watch may be affected by how you use the watch. The information in the tables below is intended to outline the conditions used to determine the battery life specifications. Usage beyond what is listed below, or usage of features not listed, may result in reduced battery life. The information presented below is presented as a general guide for reference only on the Forerunner 745 product.
The following usage assumptions were used to determine the battery life for the Forerunner 745. Unless otherwise stated, all default software settings and configurations are assumed for the battery life specifications.
Smartwatch Mode Usage Assumptions | |
Notifications per Day | 90 |
Number of Interactions per Day | 160 |
Device-Generated Alerts per Day (Move or Goal Alerts) | 2 |
Hours per Day Outside of Bluetooth Range of Phone | 1 |
Display Brightness & Timeout | Default Settings |
Watch Face | Default |
Number of Gestures per Day | Disabled by Default |
Pulse Ox Mode | Disabled by Default |
Number Minutes of Music Streaming | 0 |
Number of Timed Activities | 0 |
Smartwatch Mode Battery Life | Up to 7 days |
GPS Mode / GPS Mode with Music Usage Assumptions | |
Number of Interactions per Hour | 19 |
Minutes of Interaction Post-Activity | 1 |
Number of Gestures per Hour | 8 |
Display Brightness & Timeout | Default Settings |
Assumed Temperature Range for Battery Life Specifications | 10C – 40C |
GPS Mode without Music Battery Life | Up to 16 hours |
GPS Mode with Music Battery Life | Up to 6 hours |
NOTE: The Forerunner 745’s “default” watch face is the watch face present on the device when it is taken out of the box. The Forerunner 745 is designed to work with a variety of native watch faces as well as compatible Connect IQ watch faces. The usage of watch faces other than the default watch face may impact the battery life experienced in smartwatch mode.
Optimizing GPS Mode Battery Life on a Forerunner 745
There are various settings that can impact the Forerunner 745’s battery life during a GPS Mode activity. To optimize the battery life during a GPS Mode activity, we recommend configuring your device as shown below. Consult the Owner’s Manual for guidance in changing these settings.
Run Settings > GPS > GPS Only
System > Backlight > During Activity > Gesture > Off
Backlight > During Activity > Keys and Alerts > Off
Phone > Off
When the Forerunner 745 is configured with these settings, battery life of up to 24 hours can be achieved.