extension cord ends
Worth a lookShows low returns (0.7%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Conversion
Great7.7%search→purchase rate — share of searches ending in a sale
Price range
Good$4.03–$41.64cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$14.25avg listing price — sweet spot $15–$100
Brand share
Good70%top-5 brand share — brands hold most of the demand
Market size
Good$328K$328K/yr · 298K searches
Review moat
Okay1,685.67avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay60%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
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.Peak months: Nov · busiest ÷ quietest = 1.5×
Top extension cord ends search terms
- extension cord ends52K/yr
- extension cord replacement ends40K/yr
- extension cord repair kit27K/yr
- extension cord plug replacement23K/yr
- extension cord ends male and female21K/yr
- cord ends14K/yr
- extension cord plug13K/yr
- extension cord repair14K/yr
- extension cord end12K/yr
- extension cord repair ends12K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$19.374.6★780 rev
Leviton 515PV-OR 15 Amp 125 Volt Grounding Plug Orange
Leviton$4.034.8★7,889 rev
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$7.594.4★1,786 rev
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$18.174.2★1,302 rev
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$6.944.3★251 rev
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$9.4921 rev
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$20.268 rev
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$41.64119 rev
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$15.08119 rev
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$14.9099 rev
Trending
90-day click momentumSTARELO Extension Cord Ends Plug and Connector NEMA 5-15P & 5-15R Yellow Shell 2Pole 3Wire Straight Blade Plug Grounding Type 15A 125V.5SET
STARELO$20.264.0★
Tmyjfjingxi 2 Sets Extension Cord Repair Ends Male and Female 3 Prong Replacement Plug End Connector 125V 15A Straight Blade Electrical Plug YY034
Tmyjfjingxi$9.494.6★
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$15.084.7★
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$11.264.1★
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$41.644.7★
What buyers say about extension cord ends
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality, great price, easy to set up”
“As advertised”
“Excellent value”
“Easy install”
“Ease of use”
“Very happy with the quality of this replacement plug”
“Work well”
“Easy Connection”
“Well made & durable”
“Solid Construction”
What buyers complain about
“Poor quality, feel apart when I put a cord on it”
“Hard to assemble”
“A little on the smallest side”
“TAKES TOO MUCH TO CONNECT”
“socket doesn't hold tightly”
“Hard to use”
“instructions are confusing”
“Horrible design”
“Not heavy duty”
“Broke”
Top return reasons
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.