power converter
Worth a lookShows a sweet-spot price point ($40.23 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$40.23avg listing price — sweet spot $15–$100
Brand share
Great47%top-5 brand share — no brand owns this niche
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Competition
Great39%top-5 click share — an open shelf
Price range
Good$8.83–$157.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay3.9%search→purchase rate — share of searches ending in a sale
Growth
Okay+16.5%90-day search growth — must beat 0% to launch
Returns
Okay3.4%return rate — above 6% kills the launch gate
Market size
Okay$118K$118K/yr · 76K searches
Review moat
Okay3,837.32avg incumbent reviews — the moat a new listing must climb
Competition
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
30 falling
Sellers
53
Top-5 brand share
47%
Open market
49%
- TESSAN20%
- Pro Chaser9%
- Anker9%
- Mapambo5%
- Key Power4%
- PiSFAU4%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 44 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TESSAN 2 Pack European Travel Plug Adapter Europe Power Converter 4 Outlets 3 USB(1 USB C PD 20W) Type C International Adaptor to Italy Spain France Portugal Iceland Germany EU Travel Essentials
TESSAN$22.644.7★13,706 rev
Pro Chaser 400W Power Inverters for Vehicles - DC 12v to AC 110v Car Inverter Converter 6.2A Dual USB Charging Ports Dual AC Adapter for Laptops Air Compressor
Pro Chaser$33.044.6★1,358 rev
Anker Nano Travel Adapter 5-Port Power Adapter with 1 2-Pin AC 2 USB A 2 USB C for 20W Smart Temperature Control Works in 200+ Countries Not a Voltage Converter Travel Essentials (1-Pack)
Anker$22.414.6★3,298 rev
![Key Power 230-Watt Step Down 220V to 110V Voltage Converter & International Travel Adapter/Power Converter with USB-C Port 18W - [Use for USA Appliance Overseas in Europe AU UK Ireland etc.]](https://m.media-amazon.com/images/I/51QhZEHCx6L.jpg)
Key Power 230-Watt Step Down 220V to 110V Voltage Converter & International Travel Adapter/Power Converter with USB-C Port 18W - [Use for USA Appliance Overseas in Europe AU UK Ireland etc.]
Key Power$35.774.3★3,816 rev
400W Power Inverter 12V DC to 110V AC Car Charger Plug in Adapter Outlet with PD 65W USB-C&QC 18W Port Portable Power Converters for Laptop Vehicles Camping Road Trip Essentials Adults
EPANEE$25.514.3★1,421 rev
Newest
by launch date
220V to 110V Power Converter for Europe with 20W PD 2 Type-C Port 2 USB-A Power Plug Combo for Italy Spain Greece - White
Shayangyoung$30.3830 rev
SARQW Travel Converter Adapter Voltage Converter that Steps Down 220 Volts to 110 Volts for use in Over 200 Countries Including The U.S. U.K. Europe and Australia
SARQW$29.6328 rev
2000W Voltage Converter US to Europe
Mapambo$39.5140 rev
220V to 110V Voltage Converter US to Europe for Hair Dryer with Fast Charging Power Converter Adapter Combo 2 USB A & 2 USB C International Adapter European Travel Converter C G A I (Black)
IPLUSO$37.8038 rev
220V to 110V 20W PD Voltage Converter for Spain Italy (Black)
Shayangyoung$27.3318 rev
Trending
90-day click momentum
2000W Power Inverter 12V DC to 110V/120V AC Converter Peak Power 4000W Car Inverter with LCD Display 2 AC Outlets 3.1A USB Port for Vehicles Camping Travel Emergency Use
EGSCATEE$111.784.2★
220V to 110V 20W PD Voltage Converter for Spain Italy (Black)
Shayangyoung$27.332.3★
220V to 110V Voltage Converter US to Europe for Hair Dryer with Fast Charging Power Converter Adapter Combo 2 USB A & 2 USB C International Adapter European Travel Converter C G A I (Black)
IPLUSO$37.803.6★
2000W 220V to 110V Voltage Converter US to Europe for Hair Dryer Converter for European Travel International Universal Travel Adapter (White)
IPLUSO$40.074.3★
TREVOLTY 2000W Voltage Converter US to Europe 220V to 110V Converter for Hair Dryer 7-in-1 European Travel Plug Adapter with 3AC/2USB-A/2USB-C (PD20W) Travel Essentials
TREVOLTY$39.133.5★
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — +16.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Solid quality”
“Excellent charger”
“It definitely comes in handy”
“As Advertised”
“Worth every penny”
“works great”
“easy to read”
“good plugs”
“Compact and easy to use”
“Pleased at the size”
What buyers complain about
“Never worked”
“Bad durability”
“Its does not charging my phone”
“Needless to say the build quality is utterly insufficient”
“didn't fit well in any plug”
“the adapter does not work here”
“Doesnt Fit”
“Inaccurate information”
“started to make strange sounds”
“Very heavy”