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38

lep

Skip it

A small market ($0/yr) — this niche doesn't clear our bar today.

Market size 0Growth 25Conversion 0Competition 59Returns 97Price range 0Avg price 0Brand share 46Review moat 72Quality gap 77

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Review moat

Good607.5

avg incumbent reviews — the moat a new listing must climb

Competition

Good50%

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

Brand share

Okay78%

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

Growth

Bad-0.3%

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

Market size

Bad¥0

¥0/yr · 112K searches

Conversion

Bad0.0%

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

Avg price

Bad¥14938.62

avg listing price — sweet spot $15–$100

Price range

Bad¥1198.12–¥67939.41

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

According to Flapen's Amazon Japan niche tracking, lep is a ¥0/yr Amazon Japan market (112K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 38/100.

Data updated Jul 30, 2026 · scored weekly · How we score niches

lep market data

Units sold / yr
100–250
avg 0–100/product
Revenue / yr
¥1.5M–¥3.7M
units × avg price
Conversion rate
0.0%
Avg BSR
#503
Page quality
0%
Prime
77%
Sponsored
88%
Out of stock
0.4%
Avg brand age
28 months
Avg seller age
177 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 rising

Sellers

55

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

50%

Top 20: 95%

Open market

17%

  • JETBEAM41%
  • LUMINTOP13%
  • Ledlenser10%
  • アセキ9%
  • lalarimi5%
  • TrustFire5%
  • Open — no brand owns it (10 brands, 17%)

Demand

Weekly Amazon search volume, last 30 weeks — -0.3% search growth over the last 90 days.
6K4KSpike '26Jan '26Feb '26Mar '26Apr '26May '26Jun '26

Top lep search terms

  • lepライト レーザー45K/yr
  • lepライト タクティカル30K/yr
  • lep29K/yr
  • lep ライト おすすめ3K/yr
  • lep ライト 遠距離5K/yr
All search terms

Top lep 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.

0%4%¥08%¥012%¥016%¥01101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)3 products missing review or click data not plotted

All 24 tracked products in this niche — three views at once, no toggling.

Newest

by launch date

Trending

90-day click momentum

What buyers say about lep

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

What buyers love

明るさ/輝き/光沢43%

“最光なライト”

コストパフォーマンス8%

“お手頃価格”

充電8%

“充電式でモバイルバッテリー代わりにも使えます。”

使用の容易さ7%

“使い心地良し”

総合品質4%

“走行能力、バッテリーの持ち共にこの価格と品質は申し分ないです。非常にコスパの良い製品だとおもいます。”

バッテリーの内蔵3%

“電池スタミナ🔺”

軽い3%

“小さくて軽いにもかかわらず、光がとても明るく”

強さ2%

“アルミボディは頑丈ですし、電池のもちもよく、気に入りました。”

持ち運びやすさ2%

“携行性に優れており、満足です。”

コンパクトさ2%

“明るくコンパクト”

What buyers complain about

充電18%

“充電できません”

明るさ/輝き/光沢9%

“1箇所光ってない”

耐久性7%

“すぐにつかなくなった”

重い6%

“少し重いかな”

サイズ全体6%

“軽く小さい”

バッテリーの内蔵4%

“電池式の方がいいかもしれません。”

加熱2%

“ただし、ターボモードでは熱を持つのが早く、長くは使え無いです。”

コストパフォーマンス2%

“もう少し安かったら”

総合品質2%

“ゴミ”

使用説明書/ユーザーマニュアル/トラブルシューティング2%

“説明書がわかりにくいです”

Top return reasons

充電40%
機能全体12%
明るさ/輝き/光沢12%
不良材料/部品7%
サイズ全体6%
広告と実際の製品の違い3%
バッテリーの内蔵3%
加熱2%
重い2%
タッチ/ボタンコントロール2%

Common questions

Is lep profitable to sell on Amazon Japan?
The niche generates ¥0/yr across 26 tracked products. 8 of 15 products launched in the last 360 days are still selling. 90-day search growth is -0.3%. Flapen's verdict: Skip it (38/100).
How competitive is the lep niche?
16 brands and 55 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 78% of demand.
What do buyers complain about in lep?
Top complaints mined from reviews: 充電, 明るさ/輝き/光沢, 耐久性. The return rate is 0.7%.
What does it cost to enter the lep niche?
Listings span ¥1198.12–¥67939.41; the average listing price is ¥14938.62 (sweet spot $15–$100). The average incumbent carries 608 reviews — the moat a new listing must climb.