black extension cord 25 ft
Skip itA concentrated shelf (top 5 take 85% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible22.5%search→purchase rate — share of searches ending in a sale
Avg price
Great$16.83avg listing price — sweet spot $15–$100
Returns
Good2.1%return rate — above 5% kills the launch gate
Price range
Good$8.43–$27.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Okay+14.1%90-day search growth — must beat 0% to launch
Market size
Bad$99K$99K/yr · 26K searches
Review moat
Bad16,011avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, black extension cord 25 ft is a $99K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Dec. Verdict: Skip it — 40/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
black extension cord 25 ft market data
- Units sold / yr
- 6K–8K
- avg 750–1,000/product
- Revenue / yr
- $101K–$135K
- units × avg price
- Conversion rate
- 22.5%
- Avg BSR
- #39
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 0.0%
- Avg brand age
- 54 months
- Avg seller age
- 199 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
8 falling
Sellers
12
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
4%
- Skrizcable41%
- Amazon Basics30%
- huanchain10%
- PLUGTUL9%
- DEWENWILS3%
- NTONPOWER2%
- Open — no brand owns it (2 brands, 4%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +14.1% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.7×
Top black extension cord 25 ft search terms
- black extension cord 25 ft14K/yr
- 25 ft black extension cord5K/yr
- 25 black extension cord3K/yr
- black extension cord 25+ ft4K/yr
Top black extension cord 25 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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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

Amazon Basics Extension Cord 25 Ft 3 Prong Outlet Extender Indoor Power Cord 13 Amps 125V Black
Amazon Basics$11.134.8★61,533 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

HUANCHAIN Indoor Outdoor Black Extension Cord 25 ft Waterproof 16/3 Gauge Flexible Cold-Resistant Appliance Cable Outside 13A 1625W 16AWG SJTW 3 Prong Electric Cord ETL
huanchain$11.564.7★6,217 rev

Amazon Basics Indoor Extension Cord 3 Prong Outlet Extender Power Cord 13 Amps 125V 25 Foot Black 2-Pack
Amazon Basics$19.214.8★61,533 rev
Newest
by launch date
12AWG 25 FT Heavy Duty Outdoor Extension Cord Waterproof with Lighted End Black 12 Gauge Extension Cord Flexible and Cold Resistant 3 Prong Grounded Plug 15Amp 1875W SJTW ETL Listed
Deeklify$27.47602 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

Amazon Basics Indoor Extension Cord 3 Prong Outlet Extender Power Cord 13 Amps 125V 25 Foot Black 2-Pack
Amazon Basics$19.2161,533 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$14.563,663 rev

HUANCHAIN Indoor Outdoor Black Extension Cord 25 ft 2 Pack Waterproof 16/3 Gauge Flexible Cold-Resistant Appliance Cable Outside 13A 1625W 16AWG SJTW 3 Prong Electric Cord ETL
huanchain$20.83167 rev
Trending
90-day click momentum
12AWG 25 FT Heavy Duty Outdoor Extension Cord Waterproof with Lighted End Black 12 Gauge Extension Cord Flexible and Cold Resistant 3 Prong Grounded Plug 15Amp 1875W SJTW ETL Listed
Deeklify$27.474.7★

HUANCHAIN Indoor Outdoor Black Extension Cord 25 ft 2 Pack Waterproof 16/3 Gauge Flexible Cold-Resistant Appliance Cable Outside 13A 1625W 16AWG SJTW 3 Prong Electric Cord ETL
huanchain$20.834.8★

Amazon Basics Extension Cord 25 Ft 3 Prong Outlet Extender Indoor Power Cord 13 Amps 125V Black
Amazon Basics$11.134.8★

Go Green Power Inc. 16/3 25ft Black Outdoor Extension Cord - Reliable Heavy Duty - Ideal for Outdoor Tools & Equipment - GG-13725BK
Power By GoGreen$8.434.8★

Extension Cord 25 Ft NTONPOWER Long Extension Cord with 6 Widely Spaced Outlet Power Strip with 4 USB Port(2 USB-C) Wall Mount for Home Office Dorm Room and Nightstand Black
NTONPOWER$24.154.8★
What buyers say about black extension cord 25 ft
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent quality”
“As advertised”
“Good price”
“Feels durable”
“Strong build quality”
“A great extension for any situation”
“Heavy duty”
“Easy to use”
“it is indeed flexible”
“Great outlet”
What buyers complain about
“Not of quality construction”
“Not good - I connected this extension cord with a small heater”
“However, it doesnt feel very durable and seems more suited for indoor use”
“I probably could have found a cheaper one in a store”
“this makes it difficult to use”
“will rip super easy”
“Works, poor insulation, cheap cable”
“The 25 feet one was to short for what I needed”
“Thin and weak”
“Don't get this the wiring they use inside is no better than speaker cable”
Top return reasons
Common questions
- Is black extension cord 25 ft profitable to sell on Amazon United States?
- The niche generates $99K/yr across 11 tracked products. 90-day search growth is +14.1%. Flapen's verdict: Skip it (40/100).
- How competitive is the black extension cord 25 ft niche?
- 8 brands and 12 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in black extension cord 25 ft?
- Top complaints mined from reviews: Quality-Overall, Heating, Durability. The return rate is 2.1%.
- When does demand for black extension cord 25 ft peak?
- Demand peaks in Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the black extension cord 25 ft niche?
- Listings span $8.43–$27.47; the average listing price is $16.83 (sweet spot $15–$100). The average incumbent carries 16,011 reviews — the moat a new listing must climb.