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54

マキタ 40v

Worth a look

Shows a $79.6M/yr market, but pricing outside the sweet spot ($16960.37 avg) keeps it on the watch list.

Market size 100Growth 25Conversion 11Competition 59Returns 97Price range 0Avg price 0Brand share 28Review moat 86Quality gap 90

Market size

Incredible¥79.6M

¥79.6M/yr · 521K searches

Returns

Incredible0.7%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Review moat

Great282.48

avg incumbent reviews — the moat a new listing must climb

Competition

Good50%

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

Brand share

Okay88%

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

Growth

Okay+0.1%

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

Conversion

Bad0.9%

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

Avg price

Bad¥16960.37

avg listing price — sweet spot $15–$100

Price range

Bad¥4318.20–¥59735.81

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

According to Flapen's Amazon Japan niche tracking, マキタ 40v is a ¥79.6M/yr Amazon Japan market (521K searches/yr). The top 5 brands hold 88% of demand. Verdict: Worth a look — 54/100.

Data updated Jul 31, 2026 · scored weekly · How we score niches

マキタ 40v market data

Units sold / yr
5K–6K
avg 100–250/product
Revenue / yr
¥84.8M–¥101.8M
units × avg price
Conversion rate
0.9%
Avg BSR
#281
Page quality
0%
Prime
93%
Sponsored
52%
Out of stock
11.9%
Avg brand age
30 months
Avg seller age
142 days

Competition & brand share

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

Brands

11 flat

Sellers

209

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

50%

Top 20: 91%

Open market

8%

  • Makita(マキタ)48%
  • Enelife エネライフ16%
  • SHIBASHO11%
  • DIGIFORCE7%
  • TengHutt6%
  • Boetpcr3%
  • Open — no brand owns it (5 brands, 8%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.
15K10KHoliday '24Prime Day '25Spike '25Black Friday '25Prime Day '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top マキタ 40v search terms

  • マキタ 40v117K/yr
  • マキタ40vバッテリー61K/yr
  • マキタ 40v バッテリー55K/yr
  • マキタ40vmaxシリーズ58K/yr
  • マキタ 40vmax バッテリー29K/yr
  • マキタ バッテリー 40v24K/yr
  • マキタ 40vmax43K/yr
  • makita 40v22K/yr
  • マキタ40v17K/yr
  • マキタ 40v バッテリー 純正9K/yr
All search terms

Top マキタ 40v 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%10%¥8.0M20%¥15.9M30%¥23.9M40%¥31.8M1101001K10K 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.

What buyers say about マキタ 40v

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

What buyers love

充電12%

“すぐ充電して使用できました😊”

バッテリーの内蔵11%

“超巨大なM社40V互換バッテリー”

耐久性8%

“純正品と変わりなく使えます。”

保管容量8%

“容量の大きいサイズがあるといいです。”

コストパフォーマンス7%

“純正品は安心ですがかなり高額なので純正比で半額以下の価格はお財布にやさしくかなり助かります。”

使用の容易さ6%

“使いやすさ”

総合品質4%

“とても良い商品だと思っていたのですが”

軽い3%

“軽いが18V6.0Aより少し重い。”

互換性-全体3%

“M社の40V MAXシリーズの互換バッテリーです。”

加熱2%

“熱に強くなったHタイプに進化しているそうで夏場のフル回転にはうれしい事です。”

What buyers complain about

充電23%

“40V用にはこれがないと充電できません”

重い12%

“4040はさすがに大きくて重いです”

商品の状態8%

“中古品はやめましょ”

耐久性8%

“2回で使用できなくなった”

バッテリーの内蔵7%

“バッテリーの持ちも半分以下”

機能全体6%

“残量ランプが残ってるのに突然動かなくなるので再度充電、するとまた使える、充電なくなるのは早い”

広告と実際の製品の違い2%

“画像の通りの中古の品物がくると考えていましたので騙された気分です。”

強さ2%

“家で使うには弱い”

コストパフォーマンス2%

“値段はそれなりに高いですね。”

サイズ全体2%

“想像以上のデカさにビックリしました。”

Top return reasons

充電43%
互換性-全体14%
サイズ全体9%
機能全体9%
不良材料/部品6%
商品の状態4%
バッテリーの内蔵4%
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3%
総合品質2%
使用の容易さ2%

Common questions

Is マキタ 40v profitable to sell on Amazon Japan?
The niche generates ¥79.6M/yr across 27 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Worth a look (54/100).
How competitive is the マキタ 40v niche?
11 brands and 209 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in マキタ 40v?
Top complaints mined from reviews: 充電, 重い, 商品の状態. The return rate is 0.7%.
When does demand for マキタ 40v peak?
Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the マキタ 40v niche?
Listings span ¥4318.20–¥59735.81; the average listing price is ¥16960.37 (sweet spot $15–$100). The average incumbent carries 282 reviews — the moat a new listing must climb.