extension cord
Launch itA $48.3M/yr market growing +3.5% this quarter with returns at 1.3% — clears our launch bar.
Market size
Incredible$48.3M$48.3M/yr · 34.0M searches
Returns
Great1.3%return rate — above 5% kills the launch gate
Conversion
Great9.9%search→purchase rate — share of searches ending in a sale
Brand share
Great49%top-5 brand share — no brand owns this niche
Competition
Great39%top-5 click share — an open shelf
Avg price
Good$14.35avg listing price — sweet spot $15–$100
Price range
Good$6.22–$26.70cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+3.5%90-day search growth — must beat 0% to launch
Review moat
Bad20,223.79avg 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 is a $48.3M/yr Amazon United States market (34.0M searches/yr). The top 5 brands hold 49% of demand. Verdict: Launch it — 66/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
extension cord market data
- Units sold / yr
- 1.0M–1.0M
- avg 80,000–100,000/product
- Revenue / yr
- $14.3M–$14.3M
- units × avg price
- Conversion rate
- 9.9%
- Avg BSR
- #39
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 93%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 160 days
Competition & brand share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.Brands
26 rising
Sellers
48
Top-5 brand share
49%
Top 20: 94%
Top-5 click share
39%
Top 20: 76%
Open market
46%
- YISHU14%
- SUPERDANNY11%
- Amazon Basics10%
- Yintar8%
- Anker7%
- HANYCONY5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.5% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top extension cord search terms
- extension cord9.7M/yr
- power strip6.1M/yr
- surge protector power strip4.3M/yr
- surge protector3.1M/yr
- extension cord with multiple outlets2.8M/yr
- power strips with surge protection2.5M/yr
- extension cords771K/yr
- power strip with usb ports724K/yr
- surge protector with usb ports707K/yr
- power strips520K/yr
Top 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
6 Ft Surge Protector Power Strip - 8 Widely Outlets with 4 USB Ports 3 Side Outlet Extender with 6 Feet Extension Cord Flat Plug Wall Mount Desk USB Charging Station ETL White
YISHU$9.414.6★51,188 rev
6Ft Power Strip Surge Protector - Yintar Extension Cord with 6 AC Outlets and 3 USB Ports for for Home Office Dorm Essentials 1680 Joules ETL Listed (Black)
Yintar$10.644.7★29,919 rev
10Ft Extension Cord with Multiple Outlets Flat Plug Surge Protector Power Strip 10 Ft Long Cord 8 Outlets & 4 USB Ports (2 USB C) Desk Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.394.8★6,260 rev
Anker Power Strip with 2100J Surge Protector Outlet Extender 5ft Extension Cord with Multiple Outlets 12 AC 2 USB A 1 USB C Port for 20W Home Office Dorm Room Essentials TUV Listed
Anker$26.704.8★19,415 rev
Surge Protector Power Strip - HANYCONY 8 Outlets 4 USB (2 USB C) Charging Ports Multi Plug Outlet Extender 5Ft Braided Extension Cord Flat Plug Wall Mount Desk Charging Station for Home Office ETL
HANYCONY$10.184.8★67,643 rev
Newest
by launch date
6 Ft Extension Cord Power Strip Teiobar Surge Protector with 12 AC Outlets and 4 USB Ports for Home Office Dorm Essentials 2700 Joules ETL Listed Black
Teiobar$18.03454 rev
10Ft Extension Cord with Multiple Outlets SUPERDANNY Flat Plug Surge Protector Power Strip 10 Ft Long Cord 6 Outlets & 3 USB Ports Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.658,298 rev
10Ft Extension Cord with Multiple Outlets Flat Plug Surge Protector Power Strip 10 Ft Long Cord 8 Outlets & 4 USB Ports (2 USB C) Desk Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.396,260 rev
16/3 Black Extension Cord 6 FT Indoor Short Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Small Resistant Cable Flexible 13A 125V 1625W ETL Listed
Seeklyze$6.225,314 rev
TiFFCOFiO Surge Protector Power Strip 4 Feet Extension Cord 600 Joules Surge Protection Multiple Protection 6 Outlet Strip 14 AWG Cord 15A/1875W ETL Listed
Tiffcofio$8.341,817 rev
Trending
90-day click momentum
Amazon Basics Extension Cord 10 Ft 3 Prong Outlet Extender Indoor 13 Amps 125V Black
Amazon Basics$7.144.8★
10Ft Extension Cord with Multiple Outlets SUPERDANNY Flat Plug Surge Protector Power Strip 10 Ft Long Cord 6 Outlets & 3 USB Ports Charging Station for Home Office College Dorm Room Essentials
SUPERDANNY$12.654.7★
6 Ft Extension Cord Power Strip Teiobar Surge Protector with 12 AC Outlets and 4 USB Ports for Home Office Dorm Essentials 2700 Joules ETL Listed Black
Teiobar$18.034.8★
Amazon Basics 3-Prong Indoor Rectangle Extension Cord Power Strip Flat Plug Space-Saving Grounded 13 Amps 1625 Watts 125 VAC 6 ft White 2-Pack
Amazon Basics$10.364.7★
Power Strip Tower with Multiple Outlets Flat Plug Surge Protector Tower Extension Cord with 12 AC Outlets 4 USB Ports (2 USB C) 6FT Cord Power Tower Surge Protector for Home Office Dorm Room White
UWIWUTEI$20.264.7★
What buyers say about extension cord
What buyers praise and complain about, mined from review topics.What buyers love
“Build quality is great”
“Love the USB ports”
“Better than expected”
“Fair price”
“charges well”
“easy to read”
“Beautiful design”
“Good size for travel”
“Convenient for travel”
“Solid product”
What buyers complain about
“Didnt last”
“USB Ports Don't Work”
“Bad Quality”
“Slow charging”
“Never worked”
“Makes noise”
“Too short”
“crazy cost more than 1/2 the product to return it”
“it overheated”
“FALSE ADVERTISING”
Top return reasons
Common questions
- Is extension cord profitable to sell on Amazon United States?
- The niche generates $48.3M/yr across 42 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +3.5%. Flapen's verdict: Launch it (66/100).
- How competitive is the extension cord niche?
- 26 brands and 48 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 49% of demand.
- What do buyers complain about in extension cord?
- Top complaints mined from reviews: Durability, Socket/Port/Plug, Quality-Overall. The return rate is 1.3%.
- When does demand for extension cord peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the extension cord niche?
- Listings span $6.22–$26.70; the average listing price is $14.35 (sweet spot $15–$100). The average incumbent carries 20,224 reviews — the moat a new listing must climb.