Voltage & Frequency: Argentina uses 220 volts, 50 Hz alternating current. This is significantly different from North American 110V standard, so voltage conversion is essential for most North American appliances.
Plug Types: Argentina uses Type I plugs (Australian-style flat two-pin or three-pin configuration with grounding). Outlets typically have two flat angled holes. Not compatible with North American (Type A), European (Type C), or UK (Type G) plugs.
Adapter & Converter Solutions: Purchase a Type I plug adapter at home before traveling - readily available at electronics stores. This is essential for charging phones, tablets, and laptops. Adapters cost $5-15 USD.
High-Power Appliances: Hair dryers, shavers, and irons require voltage converters (step-down transformers), not just plug adapters. Most hotels provide hair dryers compatible with 220V. Converters are bulky and heavy - avoid if possible.
USB Charging: Most hotels provide USB charging ports for phones and tablets. Many restaurants and cafes offer charging facilities. Universal USB adapters eliminate voltage concerns for USB devices.
Safety Note: Using 110V appliances on 220V without converter will damage electronics and potentially cause fire. When in doubt, use hotel-provided appliances or purchase local alternatives.