Smartwatch: Up to 28 days/Unlimited with solar*<br>Battery Saver Watch Mode: Up to 65 days/Unlimited with solar*<br>GPS: Up to 30 hours/48 hours with solar**<br>Max Battery GPS Mode: Up to 70 hours/370 hours with solar**<br>Expedition GPS Activity: Up to 32 days/Unlimited with solar*
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