Most modern electronics such as phone chargers, laptop adapters, and camera batteries are dual-voltage (100-240V) and work safely with just a plug adapter. Check the small print on your charger to confirm it supports 230V before plugging in.
Older devices like hair dryers, curling irons, and electric razors designed for 110V will not work properly and may be damaged by the higher voltage. For these items, you need a voltage converter, not just an adapter. Many hotels provide hair dryers, so you may not need to bring one.
Purchase adapters before you arrive. While available in Iceland, they cost more and may not be stocked in remote areas. A universal adapter with multiple USB ports covers your needs for most modern devices.
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