extension cord 15 ft
Worth a lookShows searches that convert (14.1% search→purchase), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Conversion
Incredible14.1%search→purchase rate — share of searches ending in a sale
Returns
Great1.8%return rate — above 6% kills the launch gate
Market size
Good$798K$798K/yr · 433K searches
Brand share
Good63%top-5 brand share — brands hold most of the demand
Avg price
Good$13.06avg listing price — sweet spot $15–$100
Price range
Good$5.74–$28.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Growth
Okay+15.6%90-day search growth — must beat 0% to launch
Review moat
Bad14,824.26avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
According to Flapen's Amazon United States niche tracking, extension cord 15 ft is a $798K/yr Amazon United States market (433K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Dec. Verdict: Worth a look — 59/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
Market data
- Units sold / yr
- 60K–80K
- avg 2,500–3,000/product
- Revenue / yr
- $784K–$1.0M
- units × avg price
- Launch success
- —
- 2 of 2 new (360d)
- Conversion rate
- 14.1%
- Avg BSR
- #76
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 65%
- Out of stock
- 4.0%
- Avg brand age
- 57 months
- Avg seller age
- 188 days
Competition
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
38
Top-5 brand share
63%
Top 20: 100%
Top-5 click share
53%
Top 20: 96%
Open market
31%
- Skrizcable22%
- Amazon Basics16%
- SUPERDANNY10%
- huanchain8%
- GE7%
- One Beat6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.6% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.8×
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Skrizcable 16/3 13A 125V 1625W 15 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed
Skrizcable$8.964.7★5,631 rev
15 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials
SUPERDANNY$15.214.7★237 rev
HUANCHAIN Indoor Outdoor Black Extension Cord 15 ft Waterproof 16/3 Gauge Flexible Cold-Resistant Appliance Extension Cable Outside 13A 1625W 16AWG SJTW 3 Prong Electric Cord ETL
huanchain$8.444.7★2,783 rev
Amazon Basics Extension Cord 15 Ft 3-Prong Outlet Extender Indoor 13 Amps 125V Black
Amazon Basics$7.724.8★61,447 rev
Surge Protector Power Strip 15 Ft Cord Ultra Thin Flat Extension Cord with 8 Outlets 4 USB Ports(2 USB C) Flat Plug Power Strip 15 Ft Long Braided Power Cord for Home Office Dorm Room Essentials
One Beat$18.844.8★6,376 rev
Newest
by launch date15 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials
SUPERDANNY$15.21237 rev
15 Ft 3 Outlet Outdoor Extension Cord Waterproof Grounded Extension Cord with Multiple Outlets 16/3 AWG 3 Prong Power Strip for Garden Patio Camping 13A 125V 1625W ETL Listed Black
cismorvex$12.29226 rev
16/3 Black 15 FT (2Pack) Extension Cord Indoor Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Resistant Cable Flexible 13A 125V 1625W ETL Listed
Seeklyze$14.965,314 rev
TiFFCOFiO Flat Plug Outlet Strip 15 Feet Extension Cord 3 Prong 3 Grounded Outlets with Mounting Holes 13A/1625W 16 AWG
Tiffcofio$11.4141 rev
Skrizcable 16/3 13A 125V 1625W 15 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 125 VAC 16AWG SJTW ETL Listed
Skrizcable$8.965,631 rev
Trending
90-day click momentumTiFFCOFiO Flat Plug Outlet Strip 15 Feet Extension Cord 3 Prong 3 Grounded Outlets with Mounting Holes 13A/1625W 16 AWG
Tiffcofio$11.414.2★
15 Ft Extension Cord with Multiple Outlets Long Extension with 6 Outlets 4 USB Ports(2 USB C) Flat Plug Surge Protector Power Strip for Home Office Supplies Dorm Essentials
SUPERDANNY$15.214.7★
GE 15 Ft Extension Cord 3 Outlet Power Strip 2 Prong 16 Gauge Twist-to-Close Safety Outlet Covers Indoor Rated Perfect for Home Office or Kitchen UL Listed White 51962
GE home electrical$10.514.7★
15 Ft 3 Outlet Outdoor Extension Cord Waterproof Grounded Extension Cord with Multiple Outlets 16/3 AWG 3 Prong Power Strip for Garden Patio Camping 13A 125V 1625W ETL Listed Black
cismorvex$12.294.8★
Amazon Basics 3-Prong Extension Cord for Indoor Use Outlet Extender Indoor Power Extension Cord 13 Amps 125V 15 Foot White
Amazon Basics$7.824.8★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“It is strong quality”
“As advertised”
“Good price”
“Love that its has USB ports”
“Good balance of strength and functionality”
“Easy to use”
“This is a nice extension cord”
“Its a durable”
“Good design”
“Just the right size”
What buyers complain about
“The plug was also breaking the outlet with pushing with pillows”
“Broke after one use”
“Feels cheap”
“usb not fast charging”
“Pops the breaker”
“Misleading description”
“Small”
“its plastic”
“Received a used item”
“A bit thick”
Top return reasons
Common questions
- Is extension cord 15 ft profitable to sell on Amazon United States?
- The niche generates $798K/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.6%. Flapen's verdict: Worth a look (59/100).
- How competitive is the extension cord 15 ft niche?
- 18 brands and 38 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 63% of demand.
- What do buyers complain about in extension cord 15 ft?
- Top complaints mined from reviews: Socket/Port/Plug, Durability, Quality-Overall. The return rate is 1.8%.
- When does demand for extension cord 15 ft peak?
- Demand peaks in Dec; the busiest month runs 1.8× the quietest.
- What does it cost to enter the extension cord 15 ft niche?
- Listings span $5.74–$28.39; the average listing price is $13.06 (sweet spot $15–$100). The average incumbent carries 14,824 reviews — the moat a new listing must climb.
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