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Us to Japan Plug Adapter

Fail

Demand is soft, at -17.7% this quarter, so Us to Japan Plug Adapter is a Fail.

Flapen Score
45
45 / 100
Top 41% of 8,347 Electronics niches · +2 vs the category median of 43
Market size
$348K/yr271K searches / yr
90-day growth
-17.7%search demand this quarter
Competition
68%top-5 click share · 9 brands · 19 sellers

Flapen Score

Us to Japan Plug Adapter against its category

The dotted line is the Electronics average. Past it, Us to Japan Plug Adapter is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Us to Japan Plug Adapter market on Amazon at a glance

Shoppers on Amazon United States searched for Us to Japan Plug Adapter 271K times last year and spent an estimated $348K. The top 5 brands take 90% of clicks. Demand peaks in Mar. Flapen scores it 45 out of 100, a Fail.

01 · Demand

An estimated 7.4% of those searches ended in a purchase.

Shoppers searched for this 271K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 7.4% of those searches ended in a purchase. Searches in the last 90 days moved -17.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $348K a year.

Searches, last 12 months
271K
Growth, 90 days vs prior 90
-17.7%
Conversion, latest week
7.4%
Market size, estimated
$348Ka year
Peak month
March1.8× the quietest month
Top search term
us to japan plug adapter44K searches a year

02 · Price

A sale here is worth $17.40.

Listings sell for $17.40 on average, from $6.80 to $33.08. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 1,000 to 1,250 of them. At $17.40 that is $17K to $22K a year per listing.

Average price
$17.40inside the $15 to $100 sweet spot
Price range
$6.80–$33.08
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
25K–30K
Units per listing a year
1,000–1,250
Revenue per listing a year
$17K–$22K
Returns
2.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads.

100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 8.0% of listings are out of stock. The average listing ranks #56 within Power Accessories. It carries 1,428 reviews at 4.61 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
8.0%
Average rank
#56in Power Accessories
Average rating
4.61 starsAmazon United States average 4.42 stars
Average reviews
1,428per listing
Listings tracked
16

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 45 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
45 months

Products

Top Us to Japan Plug Adapter products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 68% of clicks. Leaders hold, but buyers still shop past them.

$0$35K$70K$105K$139K101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 rising

Sellers

19

Est. top-5 brand share

90%

Top 20: 100%

Est. top-5 click share

68%

Top 20: 100%

Open market

6%

  • TESSAN36%
  • HANYCONY35%
  • VINTAR7%
  • Ceptics7%
  • Anker5%
  • One Beat4%
  • Open — no brand owns it (3 brands, 6%)

Demand

Us to Japan Plug Adapter search demand

Weekly searches over the year, seasonality beneath. Pick a range.

7K5KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.8×

Search terms

Top Us to Japan Plug Adapter search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • us to japan plug adapter44K/yr
  • japan outlet adapter34K/yr
  • japan adapter plug19K/yr
  • japan power adapter20K/yr
  • japan plug adapter19K/yr
  • japan adapter9K/yr
  • japan travel adapter16K/yr
  • japan voltage converter14K/yr
  • japan charger adapter8K/yr
  • type a plug adapter10K/yr

Reviews and returns

What reviews say buyers love and hate about Us to Japan Plug Adapter

We read the reviews and the return reasons for every product selling here.

18%of positive reviews mention “Portability”
17%of negative reviews mention “Charging”
2.1%of orders come back
“They just don't charge”
A buyer, on “Charging”17% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

15 topics

NegativePositive

FAQ

Common Us to Japan Plug Adapter questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data