Understanding why phone chargers overheat is crucial for preventing damage and potential hazards. Common causes include obstructed ventilation, use of incompatible chargers, and demanding tasks while charging. Overheating can degrade battery life and, in rare cases, pose a fire risk. Experts recommend using the original charger or a certified compatible one, ensuring adequate ventilation around the charger, and avoiding intensive phone use during charging. Regularly checking the charger and cable for damage is also advised. Addressing overheating promptly can extend the lifespan of both the charger and the mobile device.