* Overkill: Cell phone chargers typically have a very low wattage rating (usually under 100 watts). Using a converter designed for much higher wattage is unnecessary and potentially dangerous.
* Efficiency and Cost: Large voltage converters are bulky, less efficient, and more expensive than the small travel adapters you'd need for a cell phone charger.
* Safety: While a large converter might work in theory, it's not designed for the small current requirements of a phone charger. This could lead to overheating or even damage to the charger or your phone.
Instead, you should:
* Use a travel adapter: European outlets use a different plug shape than North American outlets. You'll need a small adapter to connect your phone charger to the European outlet.
* Check your charger: Most modern phone chargers are dual-voltage and will work directly in Europe without any conversion. Look for a label that indicates "Input: 100-240V".
In short, using a large voltage converter for a cell phone charger is a waste of money and could be unsafe.