Battery temperature approaching or exceeding upper warning threshold. Charging operating limit: 0–55°C. Discharging: -20–55°C.
Common causes
Heat source near batteryInadequate ventilationAmbient temperature too high
What to check
STEP 1
Check for heat sources near battery. Measure ambient temperature — must be within 0–55°C for charging. Improve ventilation or shade the installation area.
Escalate if
Ambient temperature within range but alarm persists — contact manufacturer
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