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20w Usb-c電源アダプタ Apple 純正

Maybe

An estimated 0.5% of orders come back. But products sell for $735.91 on average, outside the sweet spot, so 20w Usb-c電源アダプタ Apple 純正 is a Maybe.

Flapen Score
55
55 / 100
Ranks 2,433 of 4,191 DIY・工具・ガーデン niches · −2 vs the category median of 57
Market size
¥730K/yr19K searches / yr
90-day growth
-11.6%search demand this quarter
Competition
55%top-5 click share · 13 brands · 49 sellers

Flapen Score

20w Usb-c電源アダプタ Apple 純正 against its category

The dotted line is the DIY・工具・ガーデン average. Past it, 20w Usb-c電源アダプタ Apple 純正 is stronger. Inside it, weaker.

55Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 20w Usb-c電源アダプタ Apple 純正 market on Amazon at a glance

Shoppers on Amazon Japan searched for 20w Usb-c電源アダプタ Apple 純正 19K times last year and spent an estimated ¥730K. The top 5 brands take 59% of clicks. Demand peaks in Jan–Feb–Mar–Oct–Nov–Dec. Flapen scores it 55 out of 100, a Maybe.

01 · Demand

An estimated 5.2% of those searches ended in a purchase.

Shoppers searched for this 19K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 5.2% of those searches ended in a purchase. Searches in the last 90 days moved -11.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥730K a year.

Searches, last 12 months
19K
Growth, 90 days vs prior 90
-11.6%
Conversion, latest week
5.2%
Market size, estimated
¥730Ka year
Peak month
November3.7× the quietest month
Top search term
ac adapter2K searches a year

02 · Price

A sale here is worth ¥735.91.

Listings sell for ¥735.91 on average, from ¥186.46 to ¥1417.24. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At ¥735.91 that is ¥0 to ¥74K a year per listing.

Average price
¥735.91above the $15 to $100 sweet spot
Price range
¥186.46–¥1417.24
Amazon Japan median price
¥1942.07across 14,733 niches
Units sold a year
500–750
Units per listing a year
0–100
Revenue per listing a year
¥0–¥74K
Returns
0.5%of orders · Amazon Japan median 0.4%

03 · Entry bar

The bar here is low.

65% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 14.4% of listings are out of stock. The average listing ranks #50 within 電設. It carries 1,447 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
65%
Prime listings
100%
Out of stock, average day
14.4%
Average rank
#50in 電設
Average rating
4.18 starsAmazon Japan average 4.15 stars
Average reviews
1,447per listing
Listings tracked
17

04 · Newcomers

1 of last year's 1 launches cleared the first-year sales bar.

1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 47 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
1Amazon's first-year sales bar
Average brand age
47 months

Products

Top 20w Usb-c電源アダプタ Apple 純正 products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 55% of clicks. Leaders hold, but buyers still shop past them.

Brands

13 flat

Sellers

49

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

55%

Top 20: 100%

Open market

33%

  • Brand 118%
  • Brand 214%
  • Brand 311%
  • Brand 49%
  • Brand 58%
  • Brand 68%

Demand

20w Usb-c電源アダプタ Apple 純正 search demand

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

500300Spike '25Black Friday '25Spike '26Prime Day '26AprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan, Feb, Mar, Oct, Nov, Dec · busiest ÷ quietest = 3.7×

Reviews and returns

What reviews say buyers love and hate about 20w Usb-c電源アダプタ Apple 純正

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

26%of positive reviews mention “コストパフォーマンス”
21%of negative reviews mention “充電”
0.5%of orders come back
“充電できなくなった”
A buyer, on “充電”21% 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.

16 topics

NegativePositive

FAQ

Common 20w Usb-c電源アダプタ Apple 純正 questions

Answered from the same tracked data.