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6v Acアダプター

6v Acアダプター shows beatable incumbent ratings (3.9★), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Flapen Score

60
Worth a look

Top 34% of 4,191 DIY・工具・ガーデン niches · +3 vs the category median of 57

Market size 73Growth 19Conversion 49Competition 68Returns 87Price range 0Avg price 0Brand share 77Review moat 94Quality gap 96
This niche Category average · 4,191 niches

Is 6v Acアダプター profitable on Amazon?

According to Flapen's Amazon Japan niche tracking, 6v Acアダプター is a ¥810K/yr Amazon Japan market (20K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 60/100.

6v Acアダプター: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -11.8% over the last 90 days and 4.0% of searches end in a purchase.

¥810K

revenue / yr

Units sold / yr1K
Search volume / yr-11.8%20K
Conversion rate4.0%
Avg price¥1035.84

Who owns the niche?

The top 5 brands hold 58% of demand, so 42% of the market is open.

42%

open market share

Brands · sellers18 · 40
Top-5 product click share44%
Open market42%
Avg brand age51 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 3.9★ — the gap to enter on.

0/100

page quality · 26 products

Sponsored placement73%
New entrants (1y)0· 0 succeeded
Avg rating3.9★
Avg reviews125

Top 6v Acアダプター products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 44% of clicks — established leaders, but buyers still shop beyond them.

¥0¥24K¥49K¥73K¥97K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 rising

Sellers

40

Top-5 brand share

58%

Top 20: 100%

Top-5 click share

44%

Top 20: 94%

Open market

36%

  • SUCCUL21%
  • ANLINK12%
  • Tyuusei10%
  • KOZATO8%
  • Kaito Denshi(海渡電子)7%
  • MianX7%

6v Acアダプター demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume20KCVR4.0%Products26Brands18Top 5 Brands58%OOS Rate9.6%Rating3.9★Reviews125Avg BSR#91
500300Spike '24Holiday '24Spike '25Prime Day '25Spike '26Prime Day '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top 6v Acアダプター search terms shoppers use

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

  • acアダプター 6v6K/yr
  • dc6v アダプター3K/yr
  • 6v acアダプター4K/yr
  • 6v アダプター4K/yr
  • acアダプター 6v 1.5a3K/yr

What reviews say buyers love and hate about 6v Acアダプター

What buyers mention most, as a share of all reviews.

What buyers love

78% of reviews
使用の容易さ25%

使える用途が増えます。

コストパフォーマンス17%

ハイコストパフォーマンス

総合品質9%

良い商品です

機能全体6%

使えます

互換性-全体4%

オムロンの血圧計に使えています

What buyers complain about

83% of reviews
充電17%

充電器ではありませんでした

サイズ全体15%

重いトランス式の電源からぐっと小さくなりました

耐久性11%

3時間で壊れた

接続性 - 全体10%

マルチアダプタを使用せず接続可能。

総合品質9%

個体差かもしれませんが当たりが悪かったと諦めています

6v Acアダプター return rate & reasons

Why buyers send it back, as a share of all return requests.

1.4%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1機能全体
20%
2サイズ全体
20%
3互換性-全体
15%
4充電
14%
5接続性 - 全体
8%

Common 6v Acアダプター questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 6v Acアダプター 60/100 on Amazon Japan — Worth a look. The niche generates ¥810K/yr across 26 tracked products. Search demand moved -11.8% over the last 90 days.
Search demand for 6v Acアダプター on Amazon Japan is steady year-round — the busiest month runs 1.4× the quietest.