A:AnswerBattery life can depend on how many connected features you are using for notifications etc., as well, as how often you use the GPS feature. Battery life is determined by each individual user and how they have their watch set up. Per the specs, please see below.
Non music 255:
Smartwatch mode: Up to 14 days
GPS-Only GNSS mode: Up to 30 hours
All-Systems GNSS mode: Up to 25 hours
All-Systems GNSS mode plus Multi-Band: Up to 16 hours
See Details
Music version of 255:
Smartwatch mode: Up to 14 days
GPS-only GNSS mode: Up to 30 hours
All-Systems GNSS mode with music: Up to 6.5 hours
All-Systems GNSS mode: Up to 25 hours
All-Systems GNSS mode plus Multi-Band:Up to 16 hours
See Details