L5-30r Extension Cord
FailDemand is soft, at -59.1% this quarter, so L5-30r Extension Cord is a Fail.
- Flapen Score
- 39 / 100Ranks 8,066 of 8,839 Patio, Lawn & Garden niches · −17 vs the category median of 5639
- Market size
- $41K/yr23K searches / yr
- 90-day growth
- -59.1%search demand this quarter
- Competition
- 48%top-5 click share · 18 brands · 39 sellers
Flapen Score
L5-30r Extension Cord against its category
The dotted line is the Patio, Lawn & Garden average. Past it, L5-30r Extension Cord is stronger. Inside it, weaker.
Market
The L5-30r Extension Cord market on Amazon at a glance
Shoppers on Amazon United States searched for L5-30r Extension Cord 23K times last year and spent an estimated $41K. The top 5 brands take 76% of clicks. Demand peaks in Jan–Oct. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 3.8% of those searches ended in a purchase.
Shoppers searched for this 23K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.8% of those searches ended in a purchase. Searches in the last 90 days moved -59.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated $41K a year.
- Searches, last 12 months
- 23K
- Growth, 90 days vs prior 90
- -59.1%
- Conversion, latest week
- 3.8%
- Market size, estimated
- $41Ka year
- Peak month
- October3.4× the quietest month
- Top search term
- l5-30 extension cord4K searches a year
02 · Price
A sale here is worth $46.93.
Listings sell for $46.93 on average, from $21.69 to $75.12. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At $46.93 that is $0 to $5K a year per listing.
- Average price
- $46.93inside the $15 to $100 sweet spot
- Price range
- $21.69–$75.12
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 750–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$5K
- Returns
- 4.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
77% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 14.1% of listings are out of stock. The average listing ranks #389 within Generators & Portable Power. It carries 380 reviews at 4.74 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 77%
- Prime listings
- 97%
- Out of stock, average day
- 14.1%
- Average rank
- #389in Generators & Portable Power
- Average rating
- 4.74 starsAmazon United States average 4.42 stars
- Average reviews
- 380per listing
- Listings tracked
- 30
04 · Newcomers
1 of last year's 3 launches cleared the first-year sales bar.
3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 52 months on average, so the names here are settling in.
- Launched, last 12 months
- 3
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 52 months
Products
Top L5-30r Extension Cord products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
huanchain 3 Prong 30 Amp Generator Cord 25 Feet Heavy Duty NEMA L5-30P/L5-30R 10 Gauge 125V SJTW Yellow Lock Generator Extension Cord Waterproof ETL Listed
- Price
- $41.37
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 3y ago

RVMATE 3 Prong 30 Amp Generator Extension Cord 10 Feet
- Price
- $29.86
- Rating
- 4.7/5
- Reviews
- 577
- Age
- 5y ago

huanchain L5-30P/L5-30R 3 Prong 30 Amp Generator Cord 50 FT Heavy Duty 10AWG 125V 3750W SJTW Black Locking Generator Extension Cord Waterproof ETL Listed
- Price
- $62.96
- Rating
- 4.8/5
- Reviews
- 266
- Age
- 3y ago

RVMATE 3 Prong 30 Amp Generator Extension Cord 25 Feet
- Price
- $45.31
- Rating
- 4.7/5
- Reviews
- 577
- Age
- 5y ago

Champion Power Equipment 25-Foot 30-Amp 125-Volt Fan-Style Generator Extension Cord (L5-30P to three 5-15R)
- Price
- $56.36
- Rating
- 4.8/5
- Reviews
- 3,520
- Age
- 14y ago
Trending
estimated 90-day click momentum
EP 30 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $55.49
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago

EP 15 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $36.80
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago

RVGUARD 25 Foot 30 Amp Generator Cord and Power Inlet Box
- Price
- $63.88
- Rating
- 4.7/5
- Reviews
- 146
- Age
- 2y ago

Champion Power Equipment 2 ft. 30A 250V Generator Adapter Cord
- Price
- $35.48
- Rating
- 5.0/5
- Reviews
- 14
- Age
- 1y ago

EP 10 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $26.68
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago
Newest
by launch date
Vockjour 30 Amp Generator Extension Cord 3 Prong 25FT NEMA L5-30P/L5-30R 10 Gauge Extension Cord Yellow Twist Lock Generator Power Cord Heavy Duty STW 125V 3750W ETL Listed
- Price
- $47.98
- Rating
- 4.7/5
- Reviews
- 20
- Age
- 10mo ago

Vockjour 30 Amp Generator Extension Cord 3 Prong 50FT NEMA L5-30P/L5-30R 10 Gauge Extension Cord Yellow Twist Lock Generator Power Cord Heavy Duty STW 125V 3750W ETL Listed
- Price
- $75.12
- Rating
- 4.7/5
- Reviews
- 20
- Age
- 10mo ago

EP 10 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $26.68
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago

EP 30 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $55.49
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago

EP 15 Ft 30-Amp Generator Extension Cord 3-Prong 125V 3750W NEMA L5-30P/R 10 Gauge SJTW Twist Lock Heavy Duty Power Cord for House RV Black
- Price
- $36.80
- Rating
- 4.5/5
- Reviews
- 16
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 48% of clicks. Leaders hold, but buyers still shop past them.
Brands
18 falling
Sellers
39
Est. top-5 brand share
76%
Top 20: 100%
Est. top-5 click share
48%
Top 20: 92%
Open market
20%
- huanchain25%
- RVMATE21%
- Vockjour11%
- Champion Power Equipment10%
- EP9%
- oviitech4%
Demand
L5-30r Extension Cord search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Oct · busiest ÷ quietest = 3.4×
Search terms
Top L5-30r Extension Cord search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- l5-30 extension cord4K/yr
- l5-30r extension cord5K/yr
- 30 amp generator cord 3 prong4K/yr
- 3 prong generator cord4K/yr
- l5-30 generator cord4K/yr
- generator cord 30 amp 3 prong2K/yr
Reviews and returns
What reviews say buyers love and hate about L5-30r Extension Cord
We read the reviews and the return reasons for every product selling here.
“Horrible Quality”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
23 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common L5-30r Extension Cord questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









