adaptor converter
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$24.03avg listing price — sweet spot $15–$100
Price range
Great$14.03–$36.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great8.1%search→purchase rate — share of searches ending in a sale
Growth
Good+32.6%90-day search growth — must beat 0% to launch
Returns
Okay3.0%return rate — above 5% kills the launch gate
Market size
Okay$220K$220K/yr · 113K searches
Review moat
Okay3,129.11avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad90%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, adaptor converter is a $220K/yr Amazon United States market (113K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun. Verdict: Skip it — 42/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
adaptor converter market data
- Units sold / yr
- 10K–13K
- avg 1,500–2,000/product
- Revenue / yr
- $240K–$300K
- units × avg price
- Conversion rate
- 8.1%
- Avg BSR
- #9
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.0%
- Avg brand age
- 36 months
- Avg seller age
- 186 days
Competition & brand share
The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 flat
Sellers
3
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
90%
Top 20: 100%
Open market
0%
- TESSAN100%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +32.6% search growth over the last 90 days.Peak months: May, Jun · busiest ÷ quietest = 2.0×
Top adaptor converter search terms
- tessan universal travel adapter90K/yr
- tessan travel adapter12K/yr
- uk europe travel plug adapter4K/yr
- tessan adapter4K/yr
- peru plug adapter1K/yr
- uk and european travel plug adapter423/yr
- tessan international plug adapter266/yr
Top adaptor converter products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TESSAN Universal Travel Adapter 28W International Power Adapter with 3 USB C 2 USB A Charging Ports Worldwide Plug Adaptor for US to European UK Italy Ireland New Zealand (Type C G A I)
TESSAN$21.254.7★5,556 rev
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$22.664.7★7,516 rev
TESSAN Universal Travel Adapter International Power Adapter with 2 USB C 2 USB A Ports Travel Plug Adaptor Worldwide for US to Europe UK Italy Ireland Australia France Germany(Type C G A I)
TESSAN$18.394.6★5,360 rev
TESSAN Travel Adapter 009 PD 20W Universal Power Adapter 2 USB C 1 USB A Ultra Thin International Plug Adaptor Worldwide Outlet for US to European UK Italy Spain New Zealand (Type C G A I) 1 Pack
TESSAN$18.134.6★224 rev
TESSAN European Travel Plug Adapter 2 Pack PD 20W Adapter for Europe Plug with 4 AC Outlets 4 USB (2 USB C) Type C Adaptor for US to Europe Italy Spain France Portugal Greece Iceland Germany
TESSAN$21.194.7★361 rev
Newest
by launch dateTESSAN Travel Adapter 009 PD 20W Universal Power Adapter 2 USB C 1 USB A Ultra Thin International Plug Adaptor Worldwide Outlet for US to European UK Italy Spain New Zealand (Type C G A I) 1 Pack
TESSAN$18.13224 rev
220V to 110V Voltage Converter TESSAN Universal Travel Adapter with 4 USB Charger (1 USB C) 3 AC Sockets and EU/UK/AU/IT Plug Power Adaptor Step Down Transformer Outlet
TESSAN$35.761,256 rev
TESSAN European Travel Plug Adapter 2 Pack PD 20W Adapter for Europe Plug with 4 AC Outlets 4 USB (2 USB C) Type C Adaptor for US to Europe Italy Spain France Portugal Greece Iceland Germany
TESSAN$21.19361 rev
TESSAN Universal Travel Adapter 65W GaN International Plug Adaptor
TESSAN$36.8595 rev
TESSAN All European UK Travel Plug Adapter Kit International Detachable with 3 Outlet 3 USB Charger (1 USB C) Type C/G/E/F EU Ireland Power Adaptor US to Europe Italy Spain France Greece
TESSAN$27.951,669 rev
Trending
90-day click momentumTESSAN Universal Travel Adapter 65W GaN International Plug Adaptor
TESSAN$36.854.7★
TESSAN Travel Adapter 009 PD 20W Universal Power Adapter 2 USB C 1 USB A Ultra Thin International Plug Adaptor Worldwide Outlet for US to European UK Italy Spain New Zealand (Type C G A I) 1 Pack
TESSAN$18.134.6★
TESSAN European Travel Plug Adapter 2 Pack PD 20W Adapter for Europe Plug with 4 AC Outlets 4 USB (2 USB C) Type C Adaptor for US to Europe Italy Spain France Portugal Greece Iceland Germany
TESSAN$21.194.7★
TESSAN All European UK Travel Plug Adapter Kit International Detachable with 3 Outlet 3 USB Charger (1 USB C) Type C/G/E/F EU Ireland Power Adaptor US to Europe Italy Spain France Greece
TESSAN$27.954.7★
TESSAN Universal Travel Adapter International Power Adapter with 2 USB C 2 USB A Ports Travel Plug Adaptor Worldwide for US to Europe UK Italy Ireland Australia France Germany(Type C G A I)
TESSAN$18.394.6★
What buyers say about adaptor converter
What buyers praise and complain about, mined from review topics.What buyers love
“Portable and reliable”
“Awesome charger”
“Excellent product”
“this plug in was great”
“Just what I needed”
“Works great”
“Good value for money”
“Easy to use”
“Compatibility”
“The size is right”
What buyers complain about
“Us plug does not fit”
“Size is too large”
“not serious charging”
“Not fully compatible”
“the adapter would not work”
“Its broken after 2 times use”
“Bulky”
“A little difficult to use”
“Not An Accurate Description”
“FIRE HAZARD”
Top return reasons
Common questions
- Is adaptor converter profitable to sell on Amazon United States?
- The niche generates $220K/yr across 9 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +32.6%. Flapen's verdict: Skip it (42/100).
- How competitive is the adaptor converter niche?
- 1 brands and 3 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in adaptor converter?
- Top complaints mined from reviews: Socket/Port/Plug, Size-Overall, Charging. The return rate is 3.0%.
- When does demand for adaptor converter peak?
- Demand peaks in May–Jun; the busiest month runs 2.0× the quietest.
- What does it cost to enter the adaptor converter niche?
- Listings span $14.03–$36.85; the average listing price is $24.03 (sweet spot $15–$100). The average incumbent carries 3,129 reviews — the moat a new listing must climb.