Most modern electronics including phone chargers, laptop adapters, and camera batteries are dual voltage (100-240V) and only need a plug adapter. Check the small print on your charger to confirm before plugging in.
Older devices like some hair dryers, electric razors, and curling irons designed only for 110V require a voltage converter, not just an adapter. Using these without conversion can damage the device or cause safety hazards. Many hotels provide hair dryers, making it unnecessary to bring your own.
Purchase adapters before departure as they cost more and may be hard to find in Portugal outside major stores. A universal adapter handles multiple plug types and often includes USB ports for charging phones directly.
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