black outdoor extension cord
Worth a lookShows demand growing +192.1% this quarter, but strong incumbent ratings (4.8★) keeps it on the watch list.
Growth
Incredible+192.1%90-day search growth — must beat 0% to launch
Conversion
Incredible14.7%search→purchase rate — share of searches ending in a sale
Returns
Good2.2%return rate — above 5% kills the launch gate
Price range
Good$6.98–$30.78cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good$12.31avg listing price — sweet spot $15–$100
Market size
Okay$187K$187K/yr · 103K searches
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Competition
Okay68%top-5 click share — leaders hold, buyers still browse
Review moat
Bad8,436.44avg 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, black outdoor extension cord is a $187K/yr Amazon United States market (103K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Jun–Jul–Oct–Nov–Dec. Verdict: Worth a look — 53/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
black outdoor extension cord market data
- Units sold / yr
- 15K–20K
- avg 1,000–1,250/product
- Revenue / yr
- $185K–$246K
- units × avg price
- Conversion rate
- 14.7%
- Avg BSR
- #38
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 89%
- Out of stock
- 0.8%
- Avg brand age
- 50 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
17
Top-5 brand share
86%
Top 20: 100%
Top-5 click share
68%
Top 20: 100%
Open market
11%
- Skrizcable37%
- Vockjour24%
- huanchain13%
- PLUGTUL9%
- Amazon Basics4%
- IRON FORGE CABLE3%
- Open — no brand owns it (5 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +192.1% search growth over the last 90 days.Peak months: Jun, Jul, Oct, Nov, Dec · busiest ÷ quietest = 4.8×
Top black outdoor extension cord search terms
- black outdoor extension cord58K/yr
- black extension cord outdoor26K/yr
- outdoor black extension cord11K/yr
- outdoor extension cord black8K/yr
Top black 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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
16/3 Black Indoor Outdoor Extension Cord 10 Ft Waterproof Extension Cord with 3 Prong Grounded Plug 13A 1625W 16AWG SJTW Flexible Weatherproof Power Cable for Offices Gardens and Lawns
Vockjour$6.984.8★4,399 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

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$8.974.7★5,828 rev

PLUGTUL Outdoor Extension Cord 25 FT Waterproof 16/3 Gauge Black Heavy Duty 3 Prong Extension Cord 13A 1625W SJTW ETL Listed Great for Garden and Home
PLUGTUL$14.564.8★3,663 rev

16/3 10 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$7.074.7★5,828 rev
Newest
by launch date
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$12.31238 rev

16/3 10 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$7.075,828 rev

16/3 Black Indoor Outdoor Extension Cord 10 Ft Waterproof Extension Cord with 3 Prong Grounded Plug 13A 1625W 16AWG SJTW Flexible Weatherproof Power Cable for Offices Gardens and Lawns
Vockjour$6.984,399 rev

16/3 10A 125V 1250W 100 Ft Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden SJTW ETL Listed
Skrizcable$30.78644 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
Trending
90-day click momentum
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$12.314.8★

Amazon Basics Extension Cord 10 Ft 3 Prong Outlet Extender Indoor 13 Amps 125V Black
Amazon Basics$7.124.8★

16/3 10A 125V 1250W 100 Ft Outdoor Extension Cord Waterproof Weatherproof & Flame Retardant Black 3 Prong Power Cord Outside for Lawn & Garden SJTW ETL Listed
Skrizcable$30.784.7★

iWork 6ft Black Extension Cord 16/3 SJTW Heavy-Duty 3-Prong Grounded Plug Weather-Resistant Power Strip Cable UL Listed 13 Amp/1625 Watt Capacity 6-Foot Extension Cords for Indoor & Outdoor Use
iWork$7.894.8★

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$8.974.7★
What buyers say about black outdoor extension cord
What buyers praise and complain about, mined from review topics.What buyers love
“Works well, good quality, and arrived quickly”
“As advertised”
“Good value for money”
“Durable and affordable”
“Good balance of strength and functionality”
“A great extension for any situation”
“It's very heavy duty”
“Sturdy waterproof high quality”
“Easy to use”
“It's very flexible”
What buyers complain about
“Not of quality construction”
“Cord stopped working”
“Cheaply made flimsy”
“It is thick”
“Not good - I connected this extension cord with a small heater”
“Works, poor insulation, cheap cable”
“While the cord is a bit short”
“NOT FOR OUTDOOR USE”
“Material does not feel safe”
“I probably could have found a cheaper one in a store”
Top return reasons
Common questions
- Is black outdoor extension cord profitable to sell on Amazon United States?
- The niche generates $187K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +192.1%. Flapen's verdict: Worth a look (53/100).
- How competitive is the black outdoor extension cord niche?
- 11 brands and 17 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in black outdoor extension cord?
- Top complaints mined from reviews: Quality-Overall, Durability, Strength. The return rate is 2.2%.
- When does demand for black outdoor extension cord peak?
- Demand peaks in Jun–Jul–Oct–Nov–Dec; the busiest month runs 4.8× the quietest.
- What does it cost to enter the black outdoor extension cord niche?
- Listings span $6.98–$30.78; the average listing price is $12.31 (sweet spot $15–$100). The average incumbent carries 8,436 reviews — the moat a new listing must climb.