We Use CookiesWe use cookies to enhance the security, performance, functionality and for analytical and promotional activities. By continuing to browse this site you are agreeing to our privacy policy

10 Best Voltage Converters 2025 in the United States

#1

Winner

10.0 score

Ceptics 2000W Travel Voltage Converter for Hair Dryer & 200W Convert 220V to 110V for Curling Iron, Straightener, Chargers, Step Down World Power 4 USB Charging QC 3.0 SWadApt Type A, B, C, E/F, G, I

The Ceptics 2000W Travel Voltage Converter is designed primarily for travelers needing to use 110V devices in countries with 220V power supply, such as those in Europe, Asia, and Australia. It features a robust 2000W wattage capacity on one outlet, ideal for high-power devices like hair dryers (except certain brands like Dyson), and an additional 200W capacity on two separate outlets for smaller styling tools like curling irons or straighteners. This means you can safely use multiple beauty appliances at once without worrying about overload. The converter also includes four USB ports (three USB-A and one USB-C with Quick Charge 3.0), enabling you to charge up to six devices simultaneously, which is very handy for phones, electric toothbrushes, or other small electronics, matching charging speeds automatically.

Rating
10.0
Chosen by1,400
Output Voltage
Wattage Capacity
Type of Converter

Most important from
2981 reviews

Output Voltage
Handles high-power devices like flat irons and hair dryers reliably during international travel.
Wattage Capacity
Supports simultaneous use of multiple styling tools and device charging, making it ideal for travelers with diverse electronics.
Type of Converter
Compatible with multiple plug types, covering most countries, but verifying the correct plug before travel is recommended.
Frequency Compatibility
Delivers dependable performance across various countries including Australia, New Zealand, England, France, and Spain.
Portability
Compact and quiet operation with no fan noise enhances usability in hotel rooms and shared spaces.
#2
8.8 score

Simran THG-20,000 Voltage Converter Transformer Step Up and Down Power Converter for 110 Volt / 220 Volt / 240 Volt Conversion (20000 Watts)

The Simran THG-20,000 is a heavy-duty voltage converter designed to handle high power needs, with a maximum continuous capacity of 20,000 watts. It converts both ways between 110/120V and 220/240V, making it suitable for powering devices from different country voltage standards. It supports both 50 Hz and 60 Hz frequencies, which covers most international electrical systems. The converter is built for durability and safety, featuring a circuit breaker and sturdy handles for easier movement, although it weighs a substantial 95 pounds, so it’s not the most portable option. It’s specifically designed for single-phase voltage and is not compatible with two-phase 220V found in some US systems, so users should ensure their appliance matches this requirement.

Rating
8.8
Input Voltage
Output Voltage
Wattage Capacity

Most important from
272 reviews

Input Voltage
Voltage fluctuations on the input side are not compensated, meaning output voltage can vary and potentially stress sensitive appliances.
Output Voltage
Because this is an auto-transformer without isolation, measuring output voltages is essential to avoid dangerous wiring configurations that could risk electrocution.
Wattage Capacity
This transformer handles high-power appliances effortlessly and stays only slightly warm under loads well below its maximum capacity.
Type of Converter
Because this is an auto-transformer without isolation, measuring output voltages is essential to avoid dangerous wiring configurations that could risk electrocution.
Frequency Compatibility
Frequency conversion is not supported, so appliances with motors or clocks may experience performance issues or shortened lifespan when used across different line frequencies.
Portability
Despite its substantial weight and size, the transformer is dependable, quiet, and low risk when used correctly.
#3
8.8 score

LVYUAN 5000 Watt Voltage Converter Transformer Heavy Duty Step Up/Down AC 110V/120V/220V/240V Power Converter with 3 US Outlets, 3 Universal Outlets, Resettable Circuit Breaker Protection

The LVYUAN 5000 Watt Voltage Converter Transformer is a solid choice for anyone needing a heavy-duty solution for stepping up or down voltage between 110-120V and 220-240V. With a significant wattage capacity of 5000 watts, it can handle high-powered devices, making it ideal for appliances, tools, and equipment used in various settings, including overseas travel or relocation. The ability to support both USA and universal output sockets is a practical feature, allowing you to plug in different devices without additional adapters.

Rating
8.8
Output Voltage
Portability

Most important from
1550 reviews

Output Voltage
This unit works perfectly, running 24/7 without any noise or heat, and supplies the correct voltage quietly.
Portability
The small size makes it ideal for travel, easily converting power for devices like a Singer 222K Featherweight sewing machine.

Top 10 Best Voltage Converters 2025 in the United States

How do we rank products for you?

Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

headphones-stars

Buying Guide for the Best Voltage Converters

When choosing a voltage converter, it's important to understand your specific needs and the requirements of the devices you plan to use. Voltage converters are essential for safely using electrical devices that were designed for a different voltage than what is available in your location. By carefully considering the key specifications, you can ensure that you select a converter that will work effectively and safely with your devices.
Input VoltageInput voltage refers to the voltage that the converter will receive from the power source. This is important because it needs to match the voltage available in your location. Common input voltages are 110-120V (used in North America) and 220-240V (used in most other parts of the world). Make sure to choose a converter that can handle the input voltage of your local power supply.
Output VoltageOutput voltage is the voltage that the converter will supply to your device. This needs to match the voltage requirement of the device you intend to use. Common output voltages are 110-120V and 220-240V. Ensure that the converter you choose can provide the correct output voltage for your device to avoid damage or malfunction.
Wattage CapacityWattage capacity indicates the maximum power the converter can handle. This is crucial because using a converter with insufficient wattage capacity can lead to overheating and potential damage. To determine the right wattage capacity, check the power consumption of your device (usually listed in watts) and choose a converter with a capacity that exceeds this value. For small electronics, a lower wattage capacity (up to 200W) may suffice, while larger appliances may require a higher capacity (500W or more).
Type of ConverterThere are two main types of voltage converters: step-up and step-down. A step-up converter increases the voltage from a lower input to a higher output, while a step-down converter decreases the voltage from a higher input to a lower output. Determine whether you need to increase or decrease the voltage based on the requirements of your device and choose the appropriate type of converter.
Frequency CompatibilityFrequency compatibility refers to the ability of the converter to handle the frequency of the electrical current, measured in Hertz (Hz). Common frequencies are 50Hz and 60Hz. Some devices are sensitive to frequency changes, so it's important to ensure that the converter can handle the frequency of your local power supply and provide the correct frequency for your device. Look for converters that specify frequency compatibility if your device requires it.
PortabilityPortability is an important consideration if you plan to travel with your voltage converter. Portable converters are typically smaller and lighter, making them easier to pack and carry. If you need a converter for travel, look for compact and lightweight models that still meet your power requirements. For home use, portability may be less of a concern, and you can opt for a larger, more robust converter.

FAQ