30 amp to 20 amp adapter
Worth a lookShows a sweet-spot price point ($18.18 avg), but a small market ($39K/yr) keeps it on the watch list.
Avg price
Great$18.18avg listing price — sweet spot $15–$100
Brand share
Great57%top-5 brand share — no brand owns this niche
Price range
Great$6.46–$42.39cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good43%top-5 click share — leaders hold, buyers still browse
Review moat
Good833.44avg incumbent reviews — the moat a new listing must climb
Conversion
Good5.6%search→purchase rate — share of searches ending in a sale
Growth
Good+24.3%90-day search growth — must beat 0% to launch
Returns
Okay3.1%return rate — above 6% kills the launch gate
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Market size
Bad$39K$39K/yr · 38K searches
Competition
The top 5 products take 43% of clicks — established leaders, but buyers still shop beyond them.Brands
21 falling
Sellers
84
Top-5 brand share
57%
Open market
35%
- Camco18%
- Kanayu12%
- RVGUARD11%
- POWGRN9%
- LBSC8%
- MECMO7%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 36 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Camco Heavy Duty RV Auto PowerGrip Adapter- Contoured Shape for Easy Grip and Removal 15M/30F (15M 30 Amp 125 V 1875 W) (55223)
Camco$6.464.8★4,675 rev
RVGUARD 30 Amp to 110 Volt RV Adapter Cord 12 Inch
RVGUARD$16.654.8★1,690 rev
POWGRN RV 30 Amp to 110 Adapter 12 inch Heavy Duty 10/3 Gauge RV Electrical Adapter NEMA 5-15P Male to NEMA TT-30R Female STW 10AWG 15A 125V 1875W Black-Yellow ETL Listed
POWGRN$14.954.8★580 rev
LBSC 30 Amp to 110V 20 Amp RV Power Adapter NEMA TT-30P Male to 3x5-15R/20R Household Outlets Splitter with LED Indicator 3-Way 120V Electrical Y Adapter for RV Camping Trailers Home Garage Use
LBSC$14.424.8★267 rev
Camco PowerGrip 30AM/15AF Camper & RV Electrical Adapter Features 30-amp male (NEMA TT-30P) & 15-amp female (NEMA 5-15R) Connections - Designed w/Non-Slip Grooves for Easy Removal - 125V/1875W (55233)
Camco$8.204.8★5,127 rev
Newest
by launch date
Nilight 30 Amp to 20 Amp 110V RV Power Adapter Cord with Circuit Breaker NEMA TT-30P Male to 4X 5-15R/5-20R Female RV Distribution Adapter Plug ETL Listed 4 Household Outlets for RVs Camper Generator
Nilight$26.115 rev
Kanayu 20 Amp to 30 Amp RV Generator Power Adapter 3-Prong 5-20p Male Plug to TT-30r Female Receptacle Converter Plug for Camper Caravan Van Travel Trailer(Black)
Kanayu$14.8230 rev
MECMO 30 Amp to 20 Amp 110V RV Distribution Adapter 10ft NEMA TT-30P Male to 3X 5-15R/5-20R 30A to Triple 15/20A 3-Prong to Multiple Household Outlet RV Generator Power Cord ETL Listed
MECMO$42.3926 rev
ELEGRP RV Adapter 30 Amp to 110 Volt NEMA 5-15P to TT-30R TT-30R 15A Household Male Plugs to 30A RV Female Receptacle Heavy Duty Electrical Converter for Camper Caravan Van Travel Trailer Generator
ELEGRP$11.263 rev
ELEGRP 30 Amp to 110 RV Adapter Plug 3 Way Outlet Splitter NEMA TT-30P to 3X5-15R/5-20R for Generator Camper Travel Trailer 10AWG Heavy Duty STW with Grip Handles UL Standard Compliant
ELEGRP$19.988 rev
Trending
90-day click momentumKanayu 20 Amp to 30 Amp RV Generator Power Adapter 3-Prong 5-20p Male Plug to TT-30r Female Receptacle Converter Plug for Camper Caravan Van Travel Trailer(Black)
Kanayu$14.824.2★
Nilight 30 Amp to 20 Amp 110V RV Power Adapter Cord with Circuit Breaker NEMA TT-30P Male to 4X 5-15R/5-20R Female RV Distribution Adapter Plug ETL Listed 4 Household Outlets for RVs Camper Generator
Nilight$26.115.0★
ELEGRP RV Adapter 30 Amp to 110 Volt NEMA 5-15P to TT-30R TT-30R 15A Household Male Plugs to 30A RV Female Receptacle Heavy Duty Electrical Converter for Camper Caravan Van Travel Trailer Generator
ELEGRP$11.265.0★
ELEGRP 30 Amp to 110 RV Adapter Plug 3 Way Outlet Splitter NEMA TT-30P to 3X5-15R/5-20R for Generator Camper Travel Trailer 10AWG Heavy Duty STW with Grip Handles UL Standard Compliant
ELEGRP$19.985.0★
Gociean Overload Protection RV 30 Amp to 110 Adapter Cord with Circuit Breaker 15 Amp/20 Amp Household to 30 Amp RV Power Electrical Adapter with Twist Lock NEMA 5-15P to NEMA L5-30R ETL Listed
Gociean$28.634.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +24.3% search growth over the last 90 days.Peak months: Jul, Aug · busiest ÷ quietest = 2.1×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The build quality is solid”
“As advertised”
“Good value”
“Great adapter”
“Easy to plug in”
“Easy to Use”
“Easy fit”
“Works Perfectly”
“Everything about this adapter cord is sturdy and well built”
“Great for Extension Cords”
What buyers complain about
“I don't have a 30 amp connection on my house”
“The cord is a decent 10 long although I would have liked it a little longer (15-20’).”
“you expect better quality control than this”
“Got too hot”
“Not water proof”
“Didnt work”
“Causes cable to bend over putting stress on connection”
“Questionable Advertising”
“broke within three weeks”
“Leaked line voltage to chassis ground”