200v 延長コード
MaybeShoppers spend an estimated $5.1M a year here. But products sell for $7663.92 on average, outside the sweet spot, so 200v 延長コード is a Maybe.
- Flapen Score
- 55 / 100Ranks 2,433 of 4,191 DIY・工具・ガーデン niches · −2 vs the category median of 5755
- Market size
- ¥5.1M/yr47K searches / yr
- 90-day growth
- +8.5%search demand this quarter
- Competition
- 55%top-5 click share · 11 brands · 102 sellers
Flapen Score
200v 延長コード against its category
The dotted line is the DIY・工具・ガーデン average. Past it, 200v 延長コード is stronger. Inside it, weaker.
Market
The 200v 延長コード market on Amazon at a glance
Shoppers on Amazon Japan searched for 200v 延長コード 47K times last year and spent an estimated ¥5.1M. The top 5 brands take 87% of clicks. Demand peaks in Jul. Flapen scores it 55 out of 100, a Maybe.
01 · Demand
An estimated 1.4% of those searches ended in a purchase.
Shoppers searched for this 47K times in the last 12 months. That counts every search on Amazon Japan for this niche's terms. An estimated 1.4% of those searches ended in a purchase. Searches in the last 90 days moved +8.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated ¥5.1M a year.
- Searches, last 12 months
- 47K
- Growth, 90 days vs prior 90
- +8.5%
- Conversion, latest week
- 1.4%
- Market size, estimated
- ¥5.1Ma year
- Peak month
- July1.8× the quietest month
- Top search term
- 200v 延長コード38K searches a year
02 · Price
A sale here is worth ¥7663.92.
Listings sell for ¥7663.92 on average, from ¥1362.33 to ¥25355.50. Amazon reports units sold in ranges. This niche sold 500 to 750 a year. The average listing sells 0 to 100 of them. At ¥7663.92 that is ¥0 to ¥766K a year per listing.
- Average price
- ¥7663.92above the $15 to $100 sweet spot
- Price range
- ¥1362.33–¥25355.50
- 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–¥766K
- Returns
- 1.0%of orders · Amazon Japan median 0.4%
03 · Entry bar
The bar here is low.
38% of listings pay for placement with sponsored ads. 67% ship with Prime. On an average day, 11.1% of listings are out of stock. The average listing ranks #431 within 電設. It carries 55 reviews at 4.08 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 38%
- Prime listings
- 67%
- Out of stock, average day
- 11.1%
- Average rank
- #431in 電設
- Average rating
- 4.08 starsAmazon Japan average 4.15 stars
- Average reviews
- 55per listing
- Listings tracked
- 21
04 · Newcomers
0 of last year's 2 launches cleared the first-year sales bar.
2 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 53 months on average, so the names here are settling in.
- Launched, last 12 months
- 2
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 53 months
Products
Top 200v 延長コード 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 31, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
【WH4931WP】3m 1個口 接地15A·20A兼用200V器具用延長コード 1個口
- Price
- ¥4573.45
- Rating
- 3.9/5
- Reviews
- 10
- Age
- 1y ago

トラスコ中山(TRUSCO) 三相200V延長コード5m T4P20AW5
- Price
- ¥6900.73
- Rating
- 4.1/5
- Reviews
- 96
- Age
- 17y ago

トラスコ中山(TRUSCO) 三相200V延長コード ブラック 10m T4P20AW10
- Price
- ¥9006.93
- Rating
- 4.1/5
- Reviews
- 96
- Age
- 17y ago

ハタヤ (HATAYA) 三相200V型コードリール 屋内用 200V型 コード10m 太さ2.0㎟ コンパクトタイプ 接地付 コンセント2個 コンセント防塵キャップ付き 家庭用 工場用 建設現場 JTIII-102M
- Price
- ¥8742.20
- Rating
- 4.4/5
- Reviews
- 40
- Age
- 16y ago

TRUSCO(トラスコ) 三相200V延長コード20M
- Price
- ¥15420.10
- Rating
- 4.1/5
- Reviews
- 96
- Age
- 17y ago
Trending
estimated 90-day click momentum
パワーエクステンションコード 延長コード 屋外パワーエクステンションコード 2500W 長さ 2M/3M/5M/10m/15m/20m/30m/ 40m/50m産業用屋内屋外PVC素材 雨耐性耐燃性延長 延長ソケット 延長コード 路面電車充電 電動工具 作業用、電動工具、園芸用具、掃除機、芝刈り機、照明、家庭・商業用 (黒 15メートル)
- Price
- ¥2716.09
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

電源延長コード 延長ケーブル 屋外 電源延長線 2000W 長さ3m/5m/10m/15m/20m/30m/40m 産業用 室内 屋外 pvc材質 防雨 難燃性 延長コンセント 延長コード 路面電車充電 電動工具 草刈機 照明 掃除機 作業用 30メートル (黒色 5m)
- Price
- ¥1362.33
- Rating
- 2.4/5
- Reviews
- 5
- Age
- 1y ago

高耐久電源延長コード 2500W対応 - 屋外・室内兼用 2m/3m/5m/10m/15m/20m/選べる長さ PVC材質 防雨・難燃性 延長ケーブル 作業用・電動工具・照明に最適 家庭用および商業用 (ブラック 5m)
- Price
- ¥2698.67
- Rating
- 2.0/5
- Reviews
- 1
- Age
- 12mo ago

サンワサプライ 電源延長コード(ブラック・5m) TAP-EX353-5BK
- Price
- ¥2370.52
- Rating
- 4.4/5
- Reviews
- 26
- Age
- 2y ago

サンワサプライ 電源延長コード 3m TAP-EX253-3 グレー
- Price
- ¥1731.44
- Rating
- 4.3/5
- Reviews
- 399
- Age
- 15y ago
Newest
by launch date
パワーエクステンションコード 延長コード 屋外パワーエクステンションコード 2500W 長さ 2M/3M/5M/10m/15m/20m/30m/ 40m/50m産業用屋内屋外PVC素材 雨耐性耐燃性延長 延長ソケット 延長コード 路面電車充電 電動工具 作業用、電動工具、園芸用具、掃除機、芝刈り機、照明、家庭・商業用 (黒 15メートル)
- Price
- ¥2716.09
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 3mo ago

高耐久電源延長コード 2500W対応 - 屋外・室内兼用 2m/3m/5m/10m/15m/20m/選べる長さ PVC材質 防雨・難燃性 延長ケーブル 作業用・電動工具・照明に最適 家庭用および商業用 (ブラック 5m)
- Price
- ¥2698.67
- Rating
- 2.0/5
- Reviews
- 1
- Age
- 12mo ago

Share FunN 延長コード 屋内用 200V 20A 単相 1m 2m 5m 10m MGC (屋内用 5m)
- Price
- ¥14078.00
- Rating
- 4.3/5
- Reviews
- 3
- Age
- 1y ago

電源延長コード 延長ケーブル 屋外 電源延長線 2000W 長さ3m/5m/10m/15m/20m/30m/40m 産業用 室内 屋外 pvc材質 防雨 難燃性 延長コンセント 延長コード 路面電車充電 電動工具 草刈機 照明 掃除機 作業用 30メートル (黒色 5m)
- Price
- ¥1362.33
- Rating
- 2.4/5
- Reviews
- 5
- Age
- 1y ago

【WH4931WP】3m 1個口 接地15A·20A兼用200V器具用延長コード 1個口
- Price
- ¥4573.45
- Rating
- 3.9/5
- Reviews
- 10
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 55% of clicks. Leaders hold, but buyers still shop past them.
Brands
11 falling
Sellers
102
Est. top-5 brand share
87%
Top 20: 100%
Est. top-5 click share
55%
Top 20: 100%
Open market
8%
- トラスコ中山(TRUSCO)31%
- ノーブランド品25%
- NICHIDO13%
- サンワサプライ(Sanwa Supply)10%
- ハタヤ(HATAYA)9%
- 鯛勝産業4%
- Open — no brand owns it (5 brands, 8%)
Demand
200v 延長コード search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul · busiest ÷ quietest = 1.8×
Search terms
Top 200v 延長コード search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 200v 延長コード38K/yr
- 単相200v 延長コード5K/yr
- 三相200v 延長コード4K/yr
Reviews and returns
What reviews say buyers love and hate about 200v 延長コード
We read the reviews and the return reasons for every product selling here.
“このコードだけ100Vも200Vも通電しなかった”
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
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
FAQ
Common 200v 延長コード 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




