WAUDM 220 V to 110 V Voltage Converter
- International Power Adapter
- 1
- White
- 220 volts
- Better rated than 63%
A genuine step-down voltage converter with 6 charging outputs, worth it only if your device actually needs voltage conversion rather than just a different plug shape.
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How it ranks among the 19 international power adapters we track
4.7★ across 215 Amazon ratings, Bayesian-smoothed toward the category average.
215 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 19 international power adapters we track - how the scorecard works · full international power adapters data report. Confidence: medium - useful but incomplete evidence.Updated 6 days ago. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A 220V to 110V step-down travel converter with 2 AC outlets, 2 USB-A and 2 USB-C ports including 20W PD fast charging, rated to handle up to 1400W for use across more than 80 countries.
This is a voltage converter, not a plain plug adapter, meant for US and Japanese-voltage electronics carried into countries running 220-250V mains such as much of Europe and Australia. It combines six charging outputs in one compact, vented body so a phone, tablet and laptop-class device can draw from it at once. The porous housing is meant to help it shed heat while converting higher-wattage loads.
- 1400W maximum conversion rating
- 20W PD fast charging
- Covers 80+ countries including most of Europe and Australia
- 2 AC + 2 USB-A + 2 USB-C ports
Who it's for
Suits travelers bringing US or Japan-voltage devices into 220-250V countries who want one unit that both converts voltage and charges multiple gadgets. Not the pick for someone who only needs a plug shape adapter, since a converter adds bulk and cost a simple adapter does not.
Strengths and trade-offs
Drawn from this product's published specifications.
- Converts 220-250V down to 110-125V
- 6 outputs: 2 AC, 2 USB-A, 2 USB-C
- 20W PD fast charging on USB-C
- Vented housing aids heat dissipation
- Adds bulk versus a simple plug adapter
- Only useful if your device needs true voltage conversion
Performance notes
The converter steps 220-250V mains down to 110-125V, rated up to 1400W, while its PD circuitry auto-detects compatible devices for 20W fast charging over USB-C. The vented case is designed to dissipate the heat that voltage conversion generates, which matters most when running higher-wattage devices for extended periods.
Specifications
| Brand | WAUDM |
|---|---|
| Dimensions & fit | |
| Item Dimensions | 3.1 × 2 × 3.5 inches |
| Capacity & performance | |
| Output Voltage | 120 volts |
| Power & efficiency | |
| Input Voltage | 220 volts |
| Construction & materials | |
| Color | White |
| Other details | |
| Number of Items | 1 |
| Mfr Part Number | 509 |
How it compares
This product against the closest alternatives we track in international power adapters.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| WAUDM 220 V to 110 V Voltage ConverterThis product | 4.7 / 5 | 215 | 4.2 / 5 |
| HANYCONY US to UK Plug AdapterHANYCONY | 4.7 / 5 | 2,900 | 4.4 / 5 |
| Ceptics Universal Travel AdapterCeptics | 4.7 / 5 | 2,800 | 4.4 / 5 |
| BESTEK 220V to 110V ConverterBESTEK | 4.4 / 5 | 4,900 | 4.3 / 5 |
| TESSAN Travel Adapter PD 20WTESSAN | 4.6 / 5 | 1,200 | 4.3 / 5 |
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Questions about the WAUDM international power adapters
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the WAUDM converter change voltage or just the plug shape?
It changes voltage, stepping 220-250V mains down to 110-125V for US and Japan-voltage devices, rated up to 1400W.
How many devices can charge on the WAUDM converter at once?
It has 2 AC outlets, 2 USB-A ports and 2 USB-C ports, for up to 6 devices at a time.
Does the WAUDM converter support fast charging?
Yes, it auto-detects compatible devices for 20W PD fast charging over USB-C.