Specifications
Battery type Rechargeable, built-in lithium-ion battery
Water rating Swim, 5ATM
1
Media storage Up to 8GB
Operating temperature range From -20º to 50ºC (from -4º to 122ºF)
Charging temperature range From 0º to 45ºC (from 32º to 113ºF)
Forerunner 265 radio frequency/protocol 2.4GHz @ 18.9 dBm maximum
Forerunner 265S radio frequency/protocol 2.4GHz @ 17.6 dBm maximum
EU SAR, Forerunner 265 1.27 W/kg torso, 0.91 W/kg limb
EU SAR, Forerunner 265S 1.59 W/kg torso, 0.85 W/kg limb
Battery Life Information
The actual battery life depends on the features enabled on your watch, such as activity tracking, wrist-based
heart rate, phone notifications, GPS, and connected sensors.
Mode
Forerunner 265S Battery
Life
Forerunner 265 Battery
Life
Activity mode with GPS Only mode and wrist-based
heart rate
Up to 24 hr. Up to 20 hr.
Activity mode with Auto Select GPS mode and wrist-
based heart rate
Up to 18 hr. Up to 16 hr.
Activity mode with All + Multi-Band GPS mode and
wrist-based heart rate
Up to 15 hr. Up to 14 hr.
Activity mode with GPS Only mode, wrist-based heart
rate, and music playback
Up to 7.5 hr. Up to 7 hr.
Activity mode with Auto Select GPS mode, wrist-
based heart rate, and music playback
Up to 7 hr. Up to 6.5 hr.
Activity mode with All + Multi-Band GPS mode, wrist-
based heart rate, and music playback
Up to 6 hr. Up to 6 hr.
Smartwatch mode with activity tracking, phone notifi
cations, and wrist-based heart rate
Up to 15 days Up to 13 days
1
The device withstands pressure equivalent to a depth of 50m. For more information, go to www.garmin.com/waterrating.
96 Device Information
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