Shore Power Adapter
MaybeSearch demand grew +103.3% this quarter. But shoppers spend an estimated $21K a year here, so Shore Power Adapter is a Maybe.
- Flapen Score
- 52 / 100Top 32% of 8,101 Sports & Outdoors niches · +5 vs the category median of 4752
- Market size
- $21K/yr12K searches / yr
- 90-day growth
- +103.3%search demand this quarter
- Competition
- 57%top-5 click share · 9 brands · 61 sellers
Flapen Score
Shore Power Adapter against its category
The dotted line is the Sports & Outdoors average. Past it, Shore Power Adapter is stronger. Inside it, weaker.
Market
The Shore Power Adapter market on Amazon at a glance
Shoppers on Amazon United States searched for Shore Power Adapter 12K times last year and spent an estimated $21K. The top 5 brands take 84% of clicks. Demand peaks in May–Jun–Jul–Aug. Flapen scores it 52 out of 100, a Maybe.
01 · Demand
An estimated 8.4% of those searches ended in a purchase.
Shoppers searched for this 12K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 8.4% of those searches ended in a purchase. Searches in the last 90 days moved +103.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $21K a year.
- Searches, last 12 months
- 12K
- Growth, 90 days vs prior 90
- +103.3%
- Conversion, latest week
- 8.4%
- Market size, estimated
- $21Ka year
- Peak month
- July2.5× the quietest month
- Top search term
- shore power adapter9K searches a year
02 · Price
A sale here is worth $21.58.
Listings sell for $21.58 on average, from $9.63 to $42.97. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At $21.58 that is $0 to $2K a year per listing.
- Average price
- $21.58inside the $15 to $100 sweet spot
- Price range
- $9.63–$42.97
- 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–$2K
- Returns
- 4.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #36 within Electrical Equipment. It carries 263 reviews at 4.65 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #36in Electrical Equipment
- Average rating
- 4.65 starsAmazon United States average 4.42 stars
- Average reviews
- 263per listing
- Listings tracked
- 19
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 42 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 42 months
Products
Top Shore Power Adapter 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
1FT 30-Amp to 15-Amp Marine & RV-Adapter Cord Nema 5-15P to L5-30R 10AWG 15Amp Male to 30Amp-Female Twist Lock Power Adapter Marine Shore Power 30A 125V Receptacle to 110V 15A Household Plug
- Price
- $20.08
- Rating
- 4.8/5
- Reviews
- 187
- Age
- 2y ago

1FT 30-Amp to 15-Amp Marine-Shore Power-Adapter NEMA L5-30P to 5-15/20R 10AWG 30Amp to 20Amp T Blade Marine Adapter Plug Twist Lock 125V 30A to 20A/ 15A Household Outlet Pigtail Boat
- Price
- $20.25
- Rating
- 4.8/5
- Reviews
- 71
- Age
- 2y ago

30 Amp Shore Power Adapter - NEMA L5-30P to 5-15R/5-20R Twist Lock Plug RV & Marine Generator Connector 110V/120V Household Outlet Converter with 3-Prong Locking Safe and Reliable Power Supply
- Price
- $14.16
- Rating
- 4.6/5
- Reviews
- 68
- Age
- 1y ago

Marinco S30-15 Straight Adapter 30A 125V Male To 15A 125V Female Yellow
- Price
- $42.97
- Rating
- 4.8/5
- Reviews
- 416
- Age
- 13y ago

MECMO Shore Power NEMA L5-30P to 5-15/20R RV Generator Adapter Marine 30 Amp to 110 15 Amp Household Regular Connector 30A 125V 3 Prong Twist Lock Locking Male L5-30 to 5-15R 5-20R Female Cord
- Price
- $22.19
- Rating
- 4.7/5
- Reviews
- 180
- Age
- 2y ago
Trending
estimated 90-day click momentum
1FT 30 Amp to 20 Amp Shore-Power Adapter Marine-30Amp to 15Amp Adapter NEMA L5-30P to 5-15/20R L5-30P to 6-15/20R 20Amp T Blade 3 Prong Twist Lock 125V 30A to 20A/ 15A Pigtail RV Boat
- Price
- $18.68
- Rating
- 4.6/5
- Reviews
- 31
- Age
- 1y ago

MECMO RV 50 Amp to 110 Adapter with Locking Connector NEMA 5-15P to SS2-50R Household 15A 110V Male to 50A Female Twist Lock Shore Power Adapter Plug w/ Threaded Ring for RV Camper Boat Marine
- Price
- $16.11
- Rating
- 4.8/5
- Reviews
- 50
- Age
- 1y ago

Marinco Marine Shore Power Straight Adapter 15 Amp 125 Volt Male to 30 Amp 125 Volt Female S15-30
- Price
- $40.84
- Rating
- 4.4/5
- Reviews
- 99
- Age
- 13y ago

1.5FT Overload Protection 15 Amp to 30 Amp Marine Shore Power Adapter with Circuit Breaker Nema 5-15P to L5-30R Twist Lock Boat Shore Power Cord for Yacht 30A Receptacle to 110V 15A Household Plug
- Price
- $20.27
- Rating
- 4.0/5
- Reviews
- 12
- Age
- 10mo ago

Shore Power NEMA L5-30P to 5-15/20R RV Generator Adapter Marine 30 Amp to 110 15 Amp Household Regular Inlet Connector 30A 3 Prong Locking Generator Male Plug L5-30P to 5-15R 5-20R Female Cord
- Price
- $9.63
- Rating
- 4.8/5
- Reviews
- 56
- Age
- 1y ago
Newest
by launch date
1.5FT Overload Protection 15 Amp to 30 Amp Marine Shore Power Adapter with Circuit Breaker Nema 5-15P to L5-30R Twist Lock Boat Shore Power Cord for Yacht 30A Receptacle to 110V 15A Household Plug
- Price
- $20.27
- Rating
- 4.0/5
- Reviews
- 12
- Age
- 10mo ago

3FT 30-Amp to 15-Amp 110V Marine & RV Adapter Cord Nema 5-15P to L5-30R 10AWG 15Amp Male to 30Amp-Female Twist Lock Marine Shore Power Adapter 125V 30A to 15A Household Plug Pigtail for Boat RV
- Price
- $26.10
- Rating
- 4.8/5
- Reviews
- 187
- Age
- 1y ago

CORDMITPRO Overload Protector 30 Amp to 110 Adapter Generator Power Cord Shore Power 30 Amp to 15 Amp/20 Amp Adapter Marine NEMA L5-30P to 3X 5-15R/5-20R RV Generator Adapter 1.5FT
- Price
- $22.51
- Rating
- 4.6/5
- Reviews
- 38
- Age
- 1y ago

Kanayu 3FT 30 Amp to 15 Amp Marine Shore Power Adapter Extension Power Cord Nema L5-30P to 5-15/20R 10AWG 30Amp to 20Amp T Blade Marine Plug 125V Household Outlet Pigtail Boat Adapter
- Price
- $23.39
- Rating
- 4.7/5
- Reviews
- 52
- Age
- 1y ago

MECMO RV 50 Amp to 110 Adapter with Locking Connector NEMA 5-15P to SS2-50R Household 15A 110V Male to 50A Female Twist Lock Shore Power Adapter Plug w/ Threaded Ring for RV Camper Boat Marine
- Price
- $16.11
- Rating
- 4.8/5
- Reviews
- 50
- Age
- 1y 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
9 falling
Sellers
61
Est. top-5 brand share
84%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 100%
Open market
11%
- ADCAUDX47%
- Marinco12%
- MECMO9%
- CORDMITPRO8%
- HOZHEM7%
- Kohree5%
- Open — no brand owns it (3 brands, 11%)
Demand
Shore Power Adapter search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: May, Jun, Jul, Aug · busiest ÷ quietest = 2.5×
Reviews and returns
What reviews say buyers love and hate about Shore Power Adapter
We read the reviews and the return reasons for every product selling here.
“Sent back did not fit”
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.
15 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 Shore Power Adapter 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









