Specifications
Battery type
Rechargeable, built-in lithium-ion battery
Water rating
Swim, 5 ATM
1
Media storage
Up to 8 GB
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
2.4 GHz @ 18.9 dBm maximum
Forerunner 265S radio frequency/protocol
2.4 GHz @ 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 50 m. For more information, go to
96
Device Information