Is uk to japan plug adapter profitable to sell on Amazon United Kingdom?

The niche generates £216K/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -22.4%. Flapen's verdict: Skip it (46/100).

How competitive is the uk to japan plug adapter niche?

12 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 82% of demand.

What do buyers complain about in uk to japan plug adapter?

Top complaints mined from reviews: Durability, Charging, Socket/Port/Plug. The return rate is 0.8%.

When does demand for uk to japan plug adapter peak?

Demand peaks in Mar–Sep; the busiest month runs 1.9× the quietest.

What does it cost to enter the uk to japan plug adapter niche?

Listings span £3.46–£17.71; the average listing price is £12.53 (sweet spot $15–$100). The average incumbent carries 975 reviews — the moat a new listing must climb.

uk to japan plug adapter

Skip it

Soft demand (-22.4% this quarter) — this niche doesn't clear our bar today.

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Conversion

Great10.4%

search→purchase rate — share of searches ending in a sale

Review moat

Good975

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£12.53

avg listing price — sweet spot $15–$100

Market size

Okay£216K

£216K/yr · 166K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay82%

top-5 brand share — brands hold most of the demand

Competition

Okay66%

top-5 click share — leaders hold, buyers still browse

Price range

Bad£3.46–£17.71

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Bad-22.4%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United Kingdom niche tracking, uk to japan plug adapter is a £216K/yr Amazon United Kingdom market (166K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Mar–Sep. Verdict: Skip it — 46/100.

Data updated Jul 23, 2026 · scored weekly · How we score niches

uk to japan plug adapter market data

Units sold / yr: 15K–20K; avg 1,000–1,250/product
Revenue / yr: £188K–£251K; units × avg price
Conversion rate: 10.4%
Avg BSR: #71
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 1.0%
Avg brand age: 36 months
Avg seller age: 207 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 rising

Sellers

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

13%

TESSAN36%
Double Dragon18%
SHUOMAO16%
BEVA7%
grestar5%
Go Travel5%
Open — no brand owns it (6 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.4% search growth over the last 90 days.

Peak months: Mar, Sep · busiest ÷ quietest = 1.9×

Open Trend

Top uk to japan plug adapter search terms

uk to japan plug adapter37K/yr -27.2%11.7% conv.
tessan universal travel adapter26K/yr +18.6%7.9% conv.
japan travel adapter32K/yr -37.3%7.4% conv.
japan plug adapter16K/yr -23.7%7.9% conv.
japan adapter travel from uk10K/yr -27.0%10.9% conv.
japanese plug adapter uk to japan9K/yr -30.5%11.2% conv.
tessan travel adapter6K/yr +59.7%3.5% conv.
uk to japan travel adapter6K/yr -32.5%11.4% conv.
japan plug adapter uk6K/yr -38.3%12.7% conv.
japan adapter4K/yr -21.6%9.2% conv.

All search terms

Top uk to japan plug adapter 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

TESSAN Universal Travel Adapter Worldwide with 2 USB C and 2 USB A Ports Universal Plug Adaptor UK to World International Adapter for EU USA UK Australia Thailand etc. not a Voltage Converter

TESSAN£14.954.6★3,020 rev

Double Dragon UK to US & Australia Travel Adapter | 3-Pin to 2-Pin Plug Converter with Swivel Pins | Works in USA Canada Japan Thailand Australia New Zealand China & More | 100V-240V | 2-Pack

Double Dragon£3.464.5★1,158 rev

UK to Japan Plug Adapter SHUOMAO UK to Japan Travel Adaptor with 4 USB

SHUOMAO£10.944.1★14 rev

TESSAN Universal Travel Adapter 28W Worldwide Plug Adaptor with 2 USB A and 3 USB C Ports International Travel Adapter for EU UK USA AU Power Socket Charger for Multi Countries Grey White

TESSAN£17.464.7★2,195 rev

UK to Japan Plug Adapter with 1.5M Extension Cable BEVA 2 Way 3 USB (2A+1C) Power Adapter with Retractable USB C Cable for Japan Travel (Type A)

BEVA£17.714.6★854 rev

Newest

by launch date

5 IN 1 UK to Japan Plug Adapter Japan Travel Adapter with 2 USB C and 2 USB A Ports 1 AC Outlet 100V-240V Type A Travel Adapter for USA China Mexico Canada

grestar£8.837 rev

3mo ago

UK to Japan Plug Adapter SHUOMAO UK to Japan Travel Adaptor with 4 USB

SHUOMAO£10.9414 rev

6mo ago

UK to Japan Plug Adapter with 1.5M Extension Cable FDTEK 2 Way 3 USB Japan Travel Adapter with Retractable USB C Cable for Japan Panama Philippines Travel (Type A)-Black

FDTEK£17.4217 rev

8mo ago

UK to Japan Plug Adapter SHUOMAO 3 Way UK to Japan Plug Adaptor with 4 USB(PD 20W/QC3.0) Cube UK Travel Adapter with 1.5 Extension Cable for Japanese Amercian China (Type A)

SHUOMAO£14.2226 rev

9mo ago

UK to Japan Plug Adapter with 1.5M Extension Cable BEVA 2 Way 3 USB (2A+1C) Power Adapter with Retractable USB C Cable for Japan Travel (Type A)

BEVA£17.71854 rev

1y ago

What buyers say about uk to japan plug adapter

What buyers praise and complain about, mined from review topics.

What buyers love

Portability22%

“Great for travelling”

Charging14%

“Great charger”

Quality-Overall13%

“Quality is solid”

Value For Money8%

“Excellent value for money”

Ease Of Use8%

“Ease of use”

Socket/Port/Plug6%

“It has a universal socket”

Advertised Vs Actual Product6%

“Worked as advertised”

Strength3%

“Not flimsy at all”

Compatibility-Overall2%

“Excellent universal adapter”

Compactness2%

“So compact”

What buyers complain about

Durability12%

“Broken”

Charging10%

“charging time is a joke”

Socket/Port/Plug9%

“doesn't stay in the socket”

Quality-Overall8%

“Absolute Rubbish”

Functionality-Overall6%

“stopped working properly”

Compatibility-Overall6%

“Did not fit any either in Hotels or other places”

Weight Heavy5%

“too heavy”

Size-Overall4%

“it was always very loose”

Strength3%

“Its very flimsy”

Value For Money3%

“They are cheap for a reason”

Top return reasons

Compatibility-Overall20%

Functionality-Overall14%

Charging14%

Size-Overall11%

Socket/Port/Plug10%

Quality-Overall5%

Defective Material/Parts4%

Weight Heavy4%

Connectivity-Overall3%

Advertised Vs Actual Product3%

Common questions

Is uk to japan plug adapter profitable to sell on Amazon United Kingdom?: The niche generates £216K/yr across 17 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -22.4%. Flapen's verdict: Skip it (46/100).
How competitive is the uk to japan plug adapter niche?: 12 brands and 22 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in uk to japan plug adapter?: Top complaints mined from reviews: Durability, Charging, Socket/Port/Plug. The return rate is 0.8%.
When does demand for uk to japan plug adapter peak?: Demand peaks in Mar–Sep; the busiest month runs 1.9× the quietest.
What does it cost to enter the uk to japan plug adapter niche?: Listings span £3.46–£17.71; the average listing price is £12.53 (sweet spot $15–$100). The average incumbent carries 975 reviews — the moat a new listing must climb.