GARMIN EDGE 1040 SOLAR Stopped
System Nominal
The 'stopped' behavior is a documented thermodynamic safety protocol. Lithium-ion batteries have a restricted thermal window for charging (typically 0°C to 45°C). Solar charging requires direct sunlight, which simultaneously raises the internal ambient temperature of the unvented device via solar gain. When the thermistor detects the battery has reached its upper safety limit, the firmware halts charging current to protect the battery's longevity and prevent thermal runaway. Charging will resume automatically once the internal temperature drops below the re-engagement threshold.
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