---
title: "Extension Cord Ends — $328K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/extension-cord-ends"
last_updated: "2026-08-07T00:59:47.818Z"
locale: en
meta:
description: "Niche score 56/100 · $328K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 56/100 · $328K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Extension Cord Ends — $328K/yr Amazon US Niche (2026) - Flapen"
---
# **extension cord ends**
**Worth a look**
Shows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 52Growth 30Conversion 78Competition 42Returns 96Price range 71Avg price 69Brand share 58Review moat 48Quality gap 43
**Returns**
**Incredible****0.7%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****7.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$4.03–$41.64**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$14.25**
avg listing price — sweet spot $15–$100
**Brand share**
**Good****70%**
top-5 brand share — brands hold most of the demand
**Market size**
**Good****$328K**
$328K/yr · 298K searches
**Review moat**
**Okay****1,685.67**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Growth**
**Okay****+3.7%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, extension cord ends is a $328K/yr Amazon United States market (298K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Nov. Verdict: Worth a look — 56/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **extension cord ends market data**
- **Units sold / yr**
- **20K–25K**
- avg 500–750/product
- **Revenue / yr**
- **$285K–$356K**
- units × avg price
- **Conversion rate**
- **7.7%**
- **Avg BSR**
- **#77**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **83%**
- **Out of stock**
- **7.7%**
- **Avg brand age**
- **47 months**
- **Avg seller age**
- **177 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**66**
**Top-5 brand share**
**70%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 96%
**Open market**
**23%**
- ThunderWay23% - Leviton16% - ENERLITES12% - STARELO11% - XINYIELE8% - EPLESFTON7%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +3.7% search growth over the last 90 days.
10K6KHoliday '24Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/extension-cord-ends/trend)
## **Top extension cord ends search terms**
- **extension cord ends**52K/yr+1.3%6.3% conv. - **extension cord replacement ends**40K/yr-3.0%6.3% conv. - **extension cord repair kit**27K/yr+34.2%5.3% conv. - **extension cord plug replacement**23K/yr+19.8%6.6% conv. - **extension cord ends male and female**21K/yr-10.7%6.5% conv. - **cord ends**14K/yr+13.3%2.1% conv. - **extension cord plug**13K/yr+15.1%3.7% conv. - **extension cord repair**14K/yr+1.2%5.6% conv. - **extension cord end**12K/yr+1.7%6.4% conv. - **extension cord repair ends**12K/yr+20.0%7.0% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/extension-cord-ends/search-terms)
## **Top extension cord ends 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%5%$16K10%$33K15%$49K20%$66K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**ThunderWay Electrical Replacement Plug & Connector Set Extension Cord Ends Male and Female 15A 125V Straight Blade Plug Grounding Type NEMA 5-15P&5-15R 3-Prong Straight Blade-5 Set UL Listed**ThunderWay**$19.37**4.6★780 rev](https://www.amazon.com/dp/B0CSFKZNXV) [2**Leviton 515PV-OR 15 Amp 125 Volt Grounding Plug Orange**Leviton**$4.03**4.8★7,889 rev](https://www.amazon.com/dp/B007QW7BW0) [3**ENERLITES Electrical Replacement Plug & Connector Set Extension Cord Ends Male and Female 15 Amp 125 Volt Straight Blade Plug Grounding Type NEMA 5-15P & 5-15R UL Listed 66202-Y Yellow**ENERLITES**$7.59**4.4★1,786 rev](https://www.amazon.com/dp/B08GYCP7L6) [4**STARELO Extension Cord Ends 125V 15A 2Pole 3Wire Male Plug and Female Connector Straight Blade Plug Replacement Electrical Extension Cord End(Male & Female 5 Set)**STARELO**$18.17**4.2★1,302 rev](https://www.amazon.com/dp/B08XVC4JJN) [5**XINYIELE Extension Cord Repair Replacement Ends Male and Female Electrical Plug EndsMale Plug End Eeplacement 3 Prong 125V 15A 2Pole 3Wire Connector Straight Blade Plug (Male&Female 1 Set)**XINYIELE**$6.94**4.3★251 rev](https://www.amazon.com/dp/B0D6LGZLY1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Tmyjfjingxi 2 Sets Extension Cord Repair Ends Male and Female 3 Prong Replacement Plug End Connector 125V 15A Straight Blade Electrical Plug YY034**Tmyjfjingxi**$9.49**21 rev6mo ago](https://www.amazon.com/dp/B0GFDSPZCL) [**STARELO Extension Cord Ends Plug and Connector NEMA 5-15P & 5-15R Yellow Shell 2Pole 3Wire Straight Blade Plug Grounding Type 15A 125V.5SET**STARELO**$20.26**8 rev7mo ago](https://www.amazon.com/dp/B0GBX2L3WN) [**EPLESFTON 5 Set Lighted Extension Cord Ends 15A 125V Extension Cord Replacement Ends 3 Prong NEMA 5-15P & 5-15R Male & Female Repair Kit for Generator RV Welding Equipment UL Listed Black**EPLESFTON**$41.64**119 rev1y ago](https://www.amazon.com/dp/B0FFZ42WMX) [**EPLESFTON 1 Set Lighted Extension Cord Ends 15A 125V Extension Cord Replacement Ends 3 Prong NEMA 5-15P & 5-15R Male & Female Repair Kit for Generator RV Welding Equipment UL Listed Black**EPLESFTON**$15.08**119 rev1y ago](https://www.amazon.com/dp/B0F9L975BN) [**EPLESFTON 1 Set Lighted Extension Cord Ends Replacement Plug 3 Prong 15A 125V NEMA 5-15P*NEMA 5-15R Electrical Replacement Plug Male and Female Extension Cord Ends 15 Amp Plug UL Listed Yellow**EPLESFTON**$14.90**99 rev1y ago](https://www.amazon.com/dp/B0F9LBWTPW)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**STARELO Extension Cord Ends Plug and Connector NEMA 5-15P & 5-15R Yellow Shell 2Pole 3Wire Straight Blade Plug Grounding Type 15A 125V.5SET**STARELO**$20.26**4.0★**▲ 189%**](https://www.amazon.com/dp/B0GBX2L3WN) [**Tmyjfjingxi 2 Sets Extension Cord Repair Ends Male and Female 3 Prong Replacement Plug End Connector 125V 15A Straight Blade Electrical Plug YY034**Tmyjfjingxi**$9.49**4.6★**▲ 150%**](https://www.amazon.com/dp/B0GFDSPZCL) [**EPLESFTON 1 Set Lighted Extension Cord Ends 15A 125V Extension Cord Replacement Ends 3 Prong NEMA 5-15P & 5-15R Male & Female Repair Kit for Generator RV Welding Equipment UL Listed Black**EPLESFTON**$15.08**4.7★**▲ 99%**](https://www.amazon.com/dp/B0F9L975BN) [**TENINYU 2-Pole 3 Wire Grounding Plug Male Extension Cord Straight Blade Plug Replacement Electrical Plugs End 15A 125V Black 3Pack (Male and Female Set)**TENINYU**$11.26**4.1★**▲ 53%**](https://www.amazon.com/dp/B0CQK22GVZ) [**EPLESFTON 5 Set Lighted Extension Cord Ends 15A 125V Extension Cord Replacement Ends 3 Prong NEMA 5-15P & 5-15R Male & Female Repair Kit for Generator RV Welding Equipment UL Listed Black**EPLESFTON**$41.64**4.7★**▲ 45%**](https://www.amazon.com/dp/B0FFZ42WMX)
**~~View all trending →~~**
## **What buyers say about extension cord ends**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“Good quality, great price, easy to set up”*
**Advertised Vs Actual Product**11%
*“As advertised”*
**Value For Money**10%
*“Excellent value”*
**Assembly/Installation**9%
*“Easy install”*
**Ease Of Use**8%
*“Ease of use”*
**Socket/Port/Plug**7%
*“Very happy with the quality of this replacement plug”*
**Efficiency**6%
*“Work well”*
**Connectivity-Overall**3%
*“Easy Connection”*
**Durability**2%
*“Well made & durable”*
**Strength**2%
*“Solid Construction”*
### **What buyers complain about **
**Quality-Overall**29%
*“Poor quality, feel apart when I put a cord on it”*
**Assembly/Installation**7%
*“Hard to assemble”*
**Size-Overall**5%
*“A little on the smallest side”*
**Connectivity-Overall**5%
*“TAKES TOO MUCH TO CONNECT”*
**Socket/Port/Plug**4%
*“socket doesn't hold tightly”*
**Ease Of Use**4%
*“Hard to use”*
**Instructions/User Manual/Troubleshooting**3%
*“instructions are confusing”*
**Design-Overall**3%
*“Horrible design”*
**Strength**3%
*“Not heavy duty”*
**Durability**3%
*“Broke”*
### **Top return reasons **
**Size-Overall**20%
**Compatibility-Overall**14%
**Advertised Vs Actual Product**8%
**Defective Material/Parts**7%
**Add-Ons/Attachments**7%
**Socket/Port/Plug**7%
**Functionality-Overall**6%
**Quality-Overall**5%
**Value For Money**5%
**Connectivity-Overall**3%
## **Common questions**
- **Is extension cord ends profitable to sell on Amazon United States?**
- The niche generates $328K/yr across 24 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +3.7%. Flapen's verdict: Worth a look (56/100).
- **How competitive is the extension cord ends niche?**
- 14 brands and 66 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 70% of demand.
- **What do buyers complain about in extension cord ends?**
- Top complaints mined from reviews: Quality-Overall, Assembly/Installation, Size-Overall. The return rate is 0.7%.
- **When does demand for extension cord ends peak?**
- Demand peaks in Nov; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the extension cord ends niche?**
- Listings span $4.03–$41.64; the average listing price is $14.25 (sweet spot $15–$100). The average incumbent carries 1,686 reviews — the moat a new listing must climb.
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