flat outdoor extension cord
Skip itA small market ($59K/yr) — this niche doesn't clear our bar today.
Competition
Great35%top-5 click share — an open shelf
Avg price
Great$16.86avg listing price — sweet spot $15–$100
Price range
Good$7.53–$35.30cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+47.6%90-day search growth — must beat 0% to launch
Brand share
Good73%top-5 brand share — brands hold most of the demand
Returns
Okay3.2%return rate — above 5% kills the launch gate
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Review moat
Bad5,107.47avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$59K$59K/yr · 127K searches
According to Flapen's Amazon United States niche tracking, flat outdoor extension cord is a $59K/yr Amazon United States market (127K searches/yr). The top 5 brands hold 73% of demand. Demand peaks in Oct–Nov–Dec. Verdict: Skip it — 48/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
flat outdoor extension cord market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $67K–$84K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #283
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 7.2%
- Avg brand age
- 52 months
- Avg seller age
- 193 days
Competition & brand share
Clicks spread well past the top 5 (35% combined) — an open shelf where new products get seen.Brands
17 falling
Sellers
25
Top-5 brand share
73%
Top 20: 100%
Top-5 click share
35%
Top 20: 76%
Open market
21%
- Maximm21%
- Jplenty18%
- huanchain18%
- Elecan9%
- LUCKY TL7%
- DEWENWILS6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +47.6% search growth over the last 90 days.Peak months: Oct, Nov, Dec · busiest ÷ quietest = 6.0×
Top flat outdoor extension cord search terms
- flat outdoor extension cord34K/yr
- outdoor flat extension cord18K/yr
- outdoor extension cord flat plug9K/yr
- thin outdoor extension cord13K/yr
- flat extension cord outdoor13K/yr
- flat plug outdoor extension cord9K/yr
- flat outdoor extension cord waterproof10K/yr
- outdoor flat plug extension cord4K/yr
- outdoor extension cord flat5K/yr
- heavy duty flat extension cord5K/yr
Top flat outdoor extension cord 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
HUANCHAIN 14 Gauge 6 Feet Flat Plug Extension Cord Black Indoor Outdoor Heavy Duty 3 Prong Grounded Low Profile Extension Wire Flexible 15A 1875W 125V 14AWG SJTW ETL Listed
huanchain$7.534.8★1,359 rev
Maximm Extension Cord Heavy Duty (25 Feet) Flat Wire 3-Prong Flat Plug 14 AWG Power Cord - UL Certified Black Ideal for Home and Office Use Appliances Electronics Power Tools
Maximm$27.084.8★514 rev
LUCKY TL Indoor Outdoor Extension Cord 16/3 Gauge Black Short Extension Cord 6ft Waterproof Flexible Case Made in Pure Copper 13A 1625W 16AWG SJTW 3 Prong Heavy Duty Wire UL
LUCKY TL$7.954.6★283 rev
Jplenty Black Extension Cord 15FT Extension Cords Thin Two Prong for Indoor Use Outdoor Use with Single Plug- Ideal for Christmas Lights Lamps Cameras Household AppliancesModel 002 (1 Pack)
Jplenty$9.384.7★296 rev
Jplenty 10FT White Flat and Thin 2 Prong Long Extension Cord for Indoor/Outdoor Use with Single Outlet - Ideal for Holiday Lights Lamps Cameras Appliance ETL Listed (1 Pack)
Jplenty$9.054.7★372 rev
Newest
by launch date
DEWENWILS 360 Rotating Flat Plug Extension Cord 15FT Black Extension Cord 3 Prong 14/3 Gauge Grounded Power Cord Lighted Outlet 125V/15A/1875W STJW for Outdoor/Indoor ETL Listed
DEWENWILS$19.5829 rev
Outdoor Power Strip Weatherproof Transparent IPX6 Waterproof Surge Protector with 3 Wide Outlets 1625W/13A 5FT Extension Cord Wall Mountable for Indoor Outdoor UL FCC Listed
ZZJ$16.27294 rev
DEWENWILS 360 Rotating Flat Plug Black Outdoor Extension Cord 25FT 14/3 SJTW Heavy Duty Outdoor Extension Cord Waterproof 3 Prong Lighted Triple Outlet with Hook 125V/15A/1875W ETL Listed
DEWENWILS$28.2344 rev
LUCKY TL Indoor Outdoor Extension Cord 16/3 Gauge Black Short Extension Cord 6ft Waterproof Flexible Case Made in Pure Copper 13A 1625W 16AWG SJTW 3 Prong Heavy Duty Wire UL
LUCKY TL$7.95283 rev
LUCKY TL Indoor Outdoor Extension Cord 16/3 Gauge Black Short Extension Cord 3ft Waterproof Flexible Case Made in Pure Copper 13A 1625W 16AWG SJTW 3 Prong Heavy Duty Wire UL
LUCKY TL$7.53283 rev
Trending
90-day click momentumDEWENWILS 360 Rotating Flat Plug Black Outdoor Extension Cord 25FT 14/3 SJTW Heavy Duty Outdoor Extension Cord Waterproof 3 Prong Lighted Triple Outlet with Hook 125V/15A/1875W ETL Listed
DEWENWILS$28.234.7★
Maximm Cable 20 Ft 360 Rotating Flat Plug Extension Cord 16/3 AWG Multi 3 Outlet 3-Prong Grounded Wire- Black - UL Certified
Maximm$22.644.8★
DEWENWILS 360 Rotating Flat Plug Extension Cord 15FT Black Extension Cord 3 Prong 14/3 Gauge Grounded Power Cord Lighted Outlet 125V/15A/1875W STJW for Outdoor/Indoor ETL Listed
DEWENWILS$19.584.9★
Jplenty Black Extension Cord 15FT Extension Cords Thin Two Prong for Indoor Use Outdoor Use with Single Plug- Ideal for Christmas Lights Lamps Cameras Household AppliancesModel 002 (1 Pack)
Jplenty$9.384.7★
Maximm Extension Cord Heavy Duty (25 Feet) Flat Wire 3-Prong Flat Plug 14 AWG Power Cord - UL Certified Black Ideal for Home and Office Use Appliances Electronics Power Tools
Maximm$27.084.8★
What buyers say about flat outdoor extension cord
What buyers praise and complain about, mined from review topics.What buyers love
“Great product that works like you expect”
“Just As Advertised”
“great value”
“decent plugs to make up a cord for a lamp”
“Easy to use”
“Well built”
“Durable”
“the size was perfect”
“These are great extension cords for shop use for hand tools”
“Heavy cord with very nice male and female connectors”
What buyers complain about
“It has already broke”
“Deceptive Advertising”
“Dont work”
“I just didn't want water getting in those holes”
“the plug is angled not straight down so it is still difficult to get it plugged in”
“Thin and gets red hot”
“not very compatible”
“its brown so the picture is not correct on Amazon app”
“Inconsistent Connection”
“Power strip caught fire”
Top return reasons
Common questions
- Is flat outdoor extension cord profitable to sell on Amazon United States?
- The niche generates $59K/yr across 43 tracked products. 3 of 6 products launched in the last 360 days are still selling. 90-day search growth is +47.6%. Flapen's verdict: Skip it (48/100).
- How competitive is the flat outdoor extension cord niche?
- 17 brands and 25 sellers compete. The top 5 products take 35% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in flat outdoor extension cord?
- Top complaints mined from reviews: Durability, Advertised Vs Actual Product, Functionality-Overall. The return rate is 3.2%.
- When does demand for flat outdoor extension cord peak?
- Demand peaks in Oct–Nov–Dec; the busiest month runs 6.0× the quietest.
- What does it cost to enter the flat outdoor extension cord niche?
- Listings span $7.53–$35.30; the average listing price is $16.86 (sweet spot $15–$100). The average incumbent carries 5,107 reviews — the moat a new listing must climb.