50 amp twist lock plug
Worth a lookShows a thin review moat (182 avg reviews), but soft demand (-24.8% this quarter) keeps it on the watch list.
Review moat
Great182.14avg incumbent reviews — the moat a new listing must climb
Avg price
Great$56.69avg listing price — sweet spot $15–$100
Brand share
Great45%top-5 brand share — no brand owns this niche
Competition
Great34%top-5 click share — an open shelf
Conversion
Good6.0%search→purchase rate — share of searches ending in a sale
Returns
Good2.4%return rate — above 5% kills the launch gate
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$73K$73K/yr · 22K searches
Price range
Bad$19.34–$506.18cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-24.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 50 amp twist lock plug is a $73K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Jul–Oct. Verdict: Worth a look — 52/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
50 amp twist lock plug market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $71K–$85K
- units × avg price
- Conversion rate
- 6.0%
- Avg BSR
- #238
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 81%
- Out of stock
- 0.7%
- Avg brand age
- 53 months
- Avg seller age
- 151 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
27 falling
Sellers
101
Top-5 brand share
45%
Top 20: 92%
Top-5 click share
34%
Top 20: 83%
Open market
49%
- Kohree11%
- Hubbell10%
- vhbw9%
- Ficstar8%
- SHOPCORP8%
- S76%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -24.8% search growth over the last 90 days.Peak months: Jul, Oct · busiest ÷ quietest = 1.8×
Top 50 amp twist lock plug search terms
- 50 amp twist lock plug12K/yr
- 50 amp twist lock receptacle6K/yr
- 50 amp twist lock3K/yr
Top 50 amp twist lock plug 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Kohree 50 AMP RV Power Cord Cover Twist Lock Plug with Boot Inlet Locking Plug Protector Locking Shore Connector Replacement 50A 125/250VAC
Kohree$22.184.7★968 rev
VHBW 50 Amp Generator Plug NEMA SS2-50R Female Twist Lock Connector - 125/250V 50A 3-Pole 4-Wire Locking Plug with Protective Boot for RV/Marine/Shore Power - ETL Listed
vhbw$20.364.6★27 rev
Shopcorp - 50 Amp Generator Plug (Female & Male) (2 Pack)50 Amp Generator Connector 125 Volt/250 Volt CS6364 Shopcorp 50A Twist Lock RV Plug - CS6365 Twist Lock Adapter 12500 Watts 3 Pole 4 Wire
SHOPCORP$69.314.4★25 rev
Nilight 50AMP RV Power Cord Twist Lock Plug with Boot Locking Cover 125/250V NEMA SS2-50R ETL Listed Female Shore Replacement Inlet for RVs Camper Caravan Trailer Van
Nilight$22.794.6★849 rev
Ficstar 50 AMP Twist Lock RV Shore Power Inlet 125V/250V with 3 Stainless Steel Pins and Screws RV Shore Power Inlet with Weatherproof Boot Kit NEMA SS2-50P ETL Listed Black
Ficstar$27.224.6★145 rev
Newest
by launch date
MECMO NEMA SS2-50P RV Shore Power Inlet 125/250V Twist Lock ETL Listed 50 Amp Flanged Receptacle CS6375 Male Plug with Waterproof Cover for Marine Boat Yacht Camper Caravan Motorhome
MECMO$25.489 rev
Electrineering 50A 125/250V CS6369 SS2-50R Twist Lock Receptacle ETL
Electrineering$27.7515 rev
VHBW 50 Amp Generator Plug NEMA SS2-50R Female Twist Lock Connector - 125/250V 50A 3-Pole 4-Wire Locking Plug with Protective Boot for RV/Marine/Shore Power - ETL Listed
vhbw$20.3627 rev
SURAIELEC 50 Amp Generator Power Inlet Box NEMA SS2-50P Generator Box for 3-Prong Generator Cord 120/240V 12000W Weatherproof Outdoor Outlet Receptacle
SURAIELEC$67.77132 rev
Ficstar 50 AMP Twist Lock RV Shore Power Inlet 125V/250V with 3 Stainless Steel Pins and Screws RV Shore Power Inlet with Weatherproof Boot Kit NEMA SS2-50P ETL Listed White
Ficstar$25.08145 rev
Trending
90-day click momentumMECMO NEMA SS2-50P RV Shore Power Inlet 125/250V Twist Lock ETL Listed 50 Amp Flanged Receptacle CS6375 Male Plug with Waterproof Cover for Marine Boat Yacht Camper Caravan Motorhome
MECMO$25.484.7★
VHBW 50 Amp Generator Plug NEMA SS2-50R Female Twist Lock Connector - 125/250V 50A 3-Pole 4-Wire Locking Plug with Protective Boot for RV/Marine/Shore Power - ETL Listed
vhbw$20.364.6★
Electrineering 50A 125/250V CS6369 SS2-50R Twist Lock Receptacle ETL
Electrineering$27.754.9★
DEALTUS 50Amp Marine Twist Lock Connector (NEMA SS2-50R) 3P 4 Wire Grounding 50A 125V/250V. ETL Certified Black
DEALTUS$26.634.6★
Hubbell CS6369 Locking Receptacle 50 amp 125/250V 3 Pole and 4 Wire
Boating Accessories$74.204.8★
What buyers say about 50 amp twist lock plug
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Quality”
“installs in seconds”
“Fit great”
“Great Value”
“Good product, it worked as advertised”
“my cord plugs into it easily”
“Made connection with where we are staying much easier just plug in”
“The metal parts are strong”
“Great design”
“feels durable”
What buyers complain about
“The reason for the one star review is purely quality control”
“Doesn't fit”
“find the wires pulling out when trying to assemble the box”
“Box will rust”
“Broke super fast, super non durable”
“The screw system that holds them is terrible”
“the damaged plug could have been quickly replaced”
“The lugs are a terrible design”
“The conductor clamps are only thick enough to hold a single screw thread”
“-2 more stars for not being steel as advertised”
Top return reasons
Common questions
- Is 50 amp twist lock plug profitable to sell on Amazon United States?
- The niche generates $73K/yr across 36 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -24.8%. Flapen's verdict: Worth a look (52/100).
- How competitive is the 50 amp twist lock plug niche?
- 27 brands and 101 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 45% of demand.
- What do buyers complain about in 50 amp twist lock plug?
- Top complaints mined from reviews: Quality-Overall, Size-Overall, Assembly/Installation. The return rate is 2.4%.
- When does demand for 50 amp twist lock plug peak?
- Demand peaks in Jul–Oct; the busiest month runs 1.8× the quietest.
- What does it cost to enter the 50 amp twist lock plug niche?
- Listings span $19.34–$506.18; the average listing price is $56.69 (sweet spot $15–$100). The average incumbent carries 182 reviews — the moat a new listing must climb.