It depends on your device and where you’re going. Here’s a quick way to choose:

• If your device says “100–240V, 50/60Hz”: It’s dual-voltage. You typically just need a travel plug adapter that matches the local outlet shape (e.g., EU, UK, AU).
• If your device is 110–120V only: You’ll need a step-down voltage converter to use 220–240V power safely. Pick one that’s rated above your device’s wattage.
• Charging extras: Many travel adapters include USB ports for phones and tablets.

On Walmart.com, look for the plug type you need and check the voltage and wattage details in the product description. Following these checks can help you travel prepared, though results may vary based on your devices.

Outlet shapes and prong styles vary widely in 220–240V regions. Some common types include:

• Type C: Two round pins (common across Europe and parts of Asia/South America).
• Type F (Schuko): Two round pins with side grounding clips (Germany, much of Europe).
• Type E: Two round pins with a grounding hole (France, parts of Europe).
• Type G: Three rectangular pins (UK, Ireland, some Middle East/Asia/Africa).
• Type I: Two or three slanted flat pins (Australia, New Zealand, parts of Asia).

A plug adapter matches the outlet shape; a converter handles voltage if needed. Before you buy, check the destination’s plug type and frequency (50/60Hz) and review product details on Walmart.com for compatibility.

To run a 220–240V device in a 120V region, you typically need a step-up voltage converter that outputs 220–240V.

1. Confirm voltage: If your device isn’t dual-voltage (100–240V), it will require step-up conversion.
2. Check wattage: Choose a converter with a continuous rating comfortably above your device’s watts. High‑draw items (like heating tools) often need higher capacity.
3. Consider frequency: Some devices are sensitive to 50/60Hz differences; performance can vary.
4. Use safely: Keep converters ventilated and avoid overloading.

Portable step-up units are convenient for travel, while permanent 240V circuits should be handled by a licensed electrician. Reviewing product specs and your device’s label can help you pick the right solution.

Plugging a 120V-only device into a 220–240V outlet can cause immediate damage, blown fuses, or overheating. To reduce risk:

• Use a step-down converter: Select one that outputs 110–120V and is rated above your device’s wattage.
• Check for dual voltage: If the label reads 100–240V, you may only need a plug adapter that matches the outlet shape.
• Stay within limits: Avoid running heat-heavy devices on undersized converters.

Review the device’s manual and the converter’s specifications before use. Taking these steps can help protect your gear, but performance varies by device and load.

Matching the converter to your device’s needs can make a big difference:

• Identify load: Check your device’s wattage (W). For multiple items, total the watts.
• Add headroom: Aim for 25–50% above your maximum continuous wattage to handle surges and reduce stress.
• Pick direction: Step‑down (220→110/120V) for using US devices abroad; step‑up (110/120→220/240V) for using 220V devices in 120V regions.
• Consider load type: Heating tools draw high watts; motors can have start-up surges; electronics may prefer converters designed for continuous use.
• Check specs: Look for continuous vs. peak ratings, outlet styles, and any USB ports.

Product pages on Walmart.com list voltage and wattage details to help you compare options.