---
title: "Trend — 水中ポンプ 12v - Flapen"
canonical_url: "https://flapen.com/research/jp/diy/12v/trend"
last_updated: "2026-08-06T22:30:33.614Z"
locale: en
meta:
  description: "Niche score 72/100 · ¥8.9M/yr market · 63K searches/yr · ¥4404.27 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:description": "Niche score 72/100 · ¥8.9M/yr market · 63K searches/yr · ¥4404.27 avg price. Clears our launch bar. Data updated Jul 2026."
  "og:title": "Trend — 水中ポンプ 12v - Flapen"
---

# **水中ポンプ 12v**

**Launch it**

A $8.9M/yr market growing +48.2% this quarter with returns at 0.9% — clears our launch bar.

Market size 100Growth 68Conversion 40Competition 71Returns 96Price range 0Avg price 0Brand share 81Review moat 92Quality gap 99

**Market size**

**Incredible****¥8.9M**

¥8.9M/yr · 63K searches

**Quality gap**

**Incredible****3.6★**

avg incumbent rating — lower means beatable quality

**Returns**

**Incredible****0.9%**

return rate — above 5% kills the launch gate

**Review moat**

**Great****164.77**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****54%**

top-5 brand share — no brand owns this niche

**Competition**

**Good****42%**

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

**Growth**

**Good****+48.2%**

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

**Conversion**

**Okay****3.2%**

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

**Avg price**

**Bad****¥4404.27**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****¥1026.22–¥30342.16**

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

**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=jp&signal=no_dominant_brand "Top brand's click share < 20%") [** Quality Gap**](https://flapen.com/research/niches?market=jp&signal=quality_gap "Avg rating < 4.0") [** High Price**](https://flapen.com/research/niches?market=jp&signal=high_price "Avg price > $50")

## Trend