outdoor extension cord 20 ft
Worth a lookShows searches that convert (17.2% search→purchase), but strong incumbent ratings (4.8★) keeps it on the watch list.
Conversion
Incredible17.2%search→purchase rate — share of searches ending in a sale
Growth
Great+95.0%90-day search growth — must beat 0% to launch
Returns
Good2.1%return rate — above 5% kills the launch gate
Avg price
Good$14.04avg listing price — sweet spot $15–$100
Price range
Good$8.55–$23.10cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay76%top-5 brand share — brands hold most of the demand
Market size
Okay$142K$142K/yr · 59K searches
Competition
Bad72%top-5 click share — a locked-up shelf
Review moat
Bad9,573.19avg 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, outdoor extension cord 20 ft is a $142K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jun–Nov–Dec. Verdict: Worth a look — 52/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
outdoor extension cord 20 ft market data
- Units sold / yr
- 10K–13K
- avg 500–750/product
- Revenue / yr
- $140K–$176K
- units × avg price
- Conversion rate
- 17.2%
- Avg BSR
- #160
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 69%
- Out of stock
- 0.0%
- Avg brand age
- 51 months
- Avg seller age
- 201 days
Competition & brand share
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
13 rising
Sellers
14
Top-5 brand share
76%
Top 20: 100%
Top-5 click share
72%
Top 20: 100%
Open market
19%
- GE24%
- Skrizcable22%
- huanchain17%
- Seeklyze8%
- Amazon Basics5%
- energeaster5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +95.0% search growth over the last 90 days.Peak months: Jun, Nov, Dec · busiest ÷ quietest = 4.3×
Top outdoor extension cord 20 ft search terms
- 20 ft outdoor extension cord14K/yr
- 20ft outdoor extension cord7K/yr
- 20 foot outdoor extension cord7K/yr
- 20 ft extension cord outdoor7K/yr
- outdoor extension cord 20 ft6K/yr
- 20 outdoor extension cord5K/yr
- black outdoor extension cord 20 ft3K/yr
- 20ft extension cord outdoor4K/yr
- 20 extension cord outdoor3K/yr
- 20 foot extension cord outdoor3K/yr
Top outdoor extension cord 20 ft 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 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GE Outdoor Extension Cord Waterproof Outdoor Heavy Duty Extension Cord 16AWG 3 Prong 13 Amp 20 Ft ETL Listed Green 81599
GE$12.504.8★2,473 rev
Skrizcable 16/3 25 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 13 Amps 1625 Watts 125 VAC 16AWG SJTW ETL Listed
Skrizcable$10.584.7★5,828 rev
HUANCHAIN Indoor Outdoor Black Extension Cord 20 ft Waterproof 16/3 Gauge Flexible Cold-Resistant Appliance Extension Cord Outside 13A 1625W 16AWG SJTW 3 Prong Electric Cable ETL
huanchain$13.824.8★741 rev
16/3 Black 20 FT Extension Cord Indoor Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Resistant Cable Flexible 13A 125V 1625W ETL Listed
Seeklyze$8.724.8★5,386 rev
16/3 20 Ft 3 Outlet Extension Cord Outdoor Waterproof Black Extension Cords with Multiple Outlets 3 Prong Electrical Cord with Multi Outlet Outside 13A 1625W 16AWG ETL Listed
energeaster$15.714.8★530 rev
Newest
by launch date
20 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$16.21103 rev
Philips EZGrip 1-Outlet Outdoor Extension Cord Grounded 3 Prong Cord Heavy Duty Extension Cord 25 Ft 16 AWG Black SPS3304B/37
PHILIPS$16.5821 rev
16/3 Black 20 FT Extension Cord Indoor Extension Cord for Laptops Coffee Makers Office Home Appliances 3 Prong Resistant Cable Flexible 13A 125V 1625W ETL Listed
Seeklyze$8.725,386 rev
Skrizcable 16/3 25 FT Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden 13 Amps 1625 Watts 125 VAC 16AWG SJTW ETL Listed
Skrizcable$10.585,828 rev
16/3 20 Ft 3 Outlet Extension Cord Outdoor Waterproof Black Extension Cords with Multiple Outlets 3 Prong Electrical Cord with Multi Outlet Outside 13A 1625W 16AWG ETL Listed
energeaster$15.71530 rev
Trending
90-day click momentumPhilips EZGrip 1-Outlet Outdoor Extension Cord Grounded 3 Prong Cord Heavy Duty Extension Cord 25 Ft 16 AWG Black SPS3304B/37
PHILIPS$16.584.9★
20 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$16.214.9★
Amazon Basics Extension Cord 13 Amps 125V 20 Foot White 2-Pack
Amazon Basics$15.514.8★
16/3 20 Ft 3 Outlet Extension Cord Outdoor Waterproof Black Extension Cords with Multiple Outlets 3 Prong Electrical Cord with Multi Outlet Outside 13A 1625W 16AWG ETL Listed
energeaster$15.714.8★
GE Outdoor Extension Cord Waterproof Outdoor Heavy Duty Extension Cord 16AWG 3 Prong 13 Amp 20 Ft ETL Listed Green 81599
GE$12.504.8★
What buyers say about outdoor extension cord 20 ft
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality cord”
“As advertised”
“Good price”
“Great extension”
“Good sturdy cord”
“Feels durable”
“Heavy duty”
“Works good”
“Just the right size”
“Easy to use”
What buyers complain about
“Cheap product — stopped working”
“However, it doesnt feel very durable and seems more suited for indoor use”
“Cord was coiled while the outer costing was still hot”
“Thin”
“will rip super easy”
“Rip off”
“Black can be hard to find”
“This cannot be new”
“Don't get this the wiring they use inside is no better than speaker cable”
“Poor quality, not ETL worthy at all”
Top return reasons
Common questions
- Is outdoor extension cord 20 ft profitable to sell on Amazon United States?
- The niche generates $142K/yr across 16 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +95.0%. Flapen's verdict: Worth a look (52/100).
- How competitive is the outdoor extension cord 20 ft niche?
- 13 brands and 14 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 76% of demand.
- What do buyers complain about in outdoor extension cord 20 ft?
- Top complaints mined from reviews: Quality-Overall, Durability, Heating. The return rate is 2.1%.
- When does demand for outdoor extension cord 20 ft peak?
- Demand peaks in Jun–Nov–Dec; the busiest month runs 4.3× the quietest.
- What does it cost to enter the outdoor extension cord 20 ft niche?
- Listings span $8.55–$23.10; the average listing price is $14.04 (sweet spot $15–$100). The average incumbent carries 9,573 reviews — the moat a new listing must climb.