Smartwatch: Up to 28 days/37 days with solar*
Battery Saver Watch Mode: Up to 90 days/1+ year with solar*
GPS Only: Up to 89 hours/122 hours with solar**
All Satellite Systems: Up to 63 hours/77 hours with solar*
All Satellite Systems and Multi-band: Up to 36 hours/41 hours with solar**
All Satellite Systems and Music: Up to 16 hours
Max Battery GPS: Up to 213 hours/578 hours with solar**
Expedition GPS: Up to 62 days/ 139 days with solar*

*Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions
**Solar charging, assuming use in 50,000 lux conditions

89 g (case only: 61 g)