Power Inlet Box
FailDemand is soft, at -62.0% this quarter, so Power Inlet Box is a Fail.
- Flapen Score
- 42 / 100Ranks 7,765 of 8,839 Patio, Lawn & Garden niches · −14 vs the category median of 5642
- Market size
- $126K/yr86K searches / yr
- 90-day growth
- -62.0%search demand this quarter
- Competition
- 57%top-5 click share · 16 brands · 52 sellers
Flapen Score
Power Inlet Box against its category
The dotted line is the Patio, Lawn & Garden average. Past it, Power Inlet Box is stronger. Inside it, weaker.
Market
The Power Inlet Box market on Amazon at a glance
Shoppers on Amazon United States searched for Power Inlet Box 86K times last year and spent an estimated $126K. The top 5 brands take 73% of clicks. Demand peaks in Jan–Feb–Oct. Flapen scores it 42 out of 100, a Fail.
01 · Demand
An estimated 3.0% of those searches ended in a purchase.
Shoppers searched for this 86K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 3.0% of those searches ended in a purchase. Searches in the last 90 days moved -62.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $126K a year.
- Searches, last 12 months
- 86K
- Growth, 90 days vs prior 90
- -62.0%
- Conversion, latest week
- 3.0%
- Market size, estimated
- $126Ka year
- Peak month
- January3.2× the quietest month
- Top search term
- generator inlet box27K searches a year
02 · Price
A sale here is worth $48.32.
Listings sell for $48.32 on average, from $16.95 to $92.03. Amazon reports units sold in ranges. This niche sold 3K to 3K a year. The average listing sells 0 to 100 of them. At $48.32 that is $0 to $5K a year per listing.
- Average price
- $48.32inside the $15 to $100 sweet spot
- Price range
- $16.95–$92.03
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–3K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$5K
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.4% of listings are out of stock. The average listing ranks #15 within Generators & Portable Power. It carries 643 reviews at 4.75 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 90%
- Prime listings
- 100%
- Out of stock, average day
- 1.4%
- Average rank
- #15in Generators & Portable Power
- Average rating
- 4.75 starsAmazon United States average 4.42 stars
- Average reviews
- 643per listing
- Listings tracked
- 21
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 40 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 40 months
Products
Top Power Inlet Box 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
RVMATE Pre-Drilling 50 Amp Generator Inlet Box NEMA SS2-50P Inlet Box
- Price
- $31.33
- Rating
- 4.7/5
- Reviews
- 575
- Age
- 4y ago

Pre-Drilling 30 Amp Generator Inlet Box NEMA L14-30P Power Inlet Box
- Price
- $29.05
- Rating
- 4.8/5
- Reviews
- 427
- Age
- 4y ago

CircleCord 30 Amp 4 Prong Generator Power Inlet Box NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord 125/250 Volt 7500 Watts Weatherproof Outdoor Use for Emergency Ready ETL Listed
- Price
- $24.02
- Rating
- 4.7/5
- Reviews
- 300
- Age
- 4y ago

SURAIELEC 50 Amp Generator Power Inlet Box NEMA SS2-50P Generator Box for 3-Prong Generator Cord 120/240V 12000W Weatherproof Outdoor Outlet Receptacle
- Price
- $68.02
- Rating
- 4.8/5
- Reviews
- 134
- Age
- 1y ago

CircleRiver 50 Amp 15Feet Generator Cord and Power Inlet Box Combo Kit NEMA 14-50P Male to SS2-50R STW 6/3+8/1 AWG 125/250V Twist Locking with Inlet Box for Generator to House
- Price
- $90.45
- Rating
- 4.8/5
- Reviews
- 577
- Age
- 3y ago
Trending
estimated 90-day click momentum
CircleCord 30 Amp 4 Prong Generator Power Inlet Box NEMA L14-30P Power Inlet Box for 4 Prong Generator Cord 125/250 Volt 7500 Watts Weatherproof Outdoor Use for Emergency Ready ETL Listed
- Price
- $24.02
- Rating
- 4.7/5
- Reviews
- 300
- Age
- 4y ago

CircleRiver 50 Amp 15Feet Generator Cord and Power Inlet Box Combo Kit NEMA 14-50P Male to SS2-50R STW 6/3+8/1 AWG 125/250V Twist Locking with Inlet Box for Generator to House
- Price
- $90.45
- Rating
- 4.8/5
- Reviews
- 577
- Age
- 3y ago

OPL5 30AMP Generator Power Inlet Box with Pre Punched Knockouts NEMA L14-30P for 4 Prong Generator with LED Indicator Light 125/250 Volt 7500 Watts for Outdoor Use ETL Listed (L14-30P)
- Price
- $16.95
- Rating
- 5.0/5
- Reviews
- 9
- Age
- 3y ago

Islewire 30 Amp Generator Power Inlet Box Pre-drilled NEMA L14-30P Box for 4-Prong Generator Cord 125/250V 7500W Weatherproof NEMA 3R for Outdoor Use LED Indicator Emergency Ready ETL Listed
- Price
- $18.50
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 1y ago

WELLUCK 50 Amp Generator Inlet Box - NEMA SS2-50P Power Inlet Box for 3R 3-Prong Generator Cord 125/250V 12500W Weatherproof Outdoor 50a Power Inlet Box - ETL Listed Best Partner in Emergencies
- Price
- $31.99
- Rating
- 4.6/5
- Reviews
- 687
- Age
- 5y ago
Newest
by launch date
Ficstar 15FT 50 Amp Generator Cord and Power Inlet Box Kit NEMA 14-50P to SS2-50R Generator Cord Pre-Drilled 50 Amp Generator Inlet Box with 6/3+8/1 AWG STW Wire 125/250V 12500W UL&ETL Listed
- Price
- $87.98
- Rating
- 4.8/5
- Reviews
- 194
- Age
- 1y ago

SURAIELEC 50 Amp Generator Power Inlet Box NEMA SS2-50P Generator Box for 3-Prong Generator Cord 120/240V 12000W Weatherproof Outdoor Outlet Receptacle
- Price
- $68.02
- Rating
- 4.8/5
- Reviews
- 134
- Age
- 1y ago

Islewire 30 Amp Generator Power Inlet Box Pre-drilled NEMA L14-30P Box for 4-Prong Generator Cord 125/250V 7500W Weatherproof NEMA 3R for Outdoor Use LED Indicator Emergency Ready ETL Listed
- Price
- $18.50
- Rating
- 4.9/5
- Reviews
- 31
- Age
- 1y ago

SURAIELEC 30 Amp Generator Power Inlet Box NEMA L14-30P Generator Box for Generator Cord 120/240V Weatherproof Outdoor Outlet Receptacle Outlet ETL Listed Ready for Emergency Use
- Price
- $57.18
- Rating
- 4.7/5
- Reviews
- 149
- Age
- 1y ago

Marsflex 50 Amp Generator Power Inlet Box SS2-50P Weatherproof Outdoor
- Price
- $24.20
- Rating
- 4.8/5
- Reviews
- 91
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
52
Est. top-5 brand share
73%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 99%
Open market
23%
- RVMATE37%
- CircleCord14%
- RVINGPRO9%
- SURAIELEC9%
- CircleRiver4%
- Reliance Controls4%
Demand
Power Inlet Box search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Oct · busiest ÷ quietest = 3.2×
Search terms
Top Power Inlet Box search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- generator inlet box27K/yr
- power inlet box18K/yr
- generator inlet11K/yr
- generator outlet9K/yr
- generator power inlet box10K/yr
- generator receptacle5K/yr
- outdoor generator inlet boxes5K/yr
Reviews and returns
What reviews say buyers love and hate about Power Inlet Box
We read the reviews and the return reasons for every product selling here.
“The box that mounts on the house is poor 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.
17 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 Power Inlet Box 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









