Is nema 14-30 to 14-50 adapter profitable to sell on Amazon United States?

The niche generates $82K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.7%. Flapen's verdict: Skip it (41/100).

How competitive is the nema 14-30 to 14-50 adapter niche?

13 brands and 18 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in nema 14-30 to 14-50 adapter?

Top complaints mined from reviews: Charging, Durability, Flammable. The return rate is 9.3% — above our launch gate.

When does demand for nema 14-30 to 14-50 adapter peak?

Demand peaks in Jul–Aug; the busiest month runs 1.8× the quietest.

What does it cost to enter the nema 14-30 to 14-50 adapter niche?

Listings span $11.38–$190.64; the average listing price is $39.62 (sweet spot $15–$100). The average incumbent carries 428 reviews — the moat a new listing must climb.

nema 14-30 to 14-50 adapter

Skip it

High returns (9.3%) — this niche doesn't clear our bar today.

Avg price

Incredible$39.62

avg listing price — sweet spot $15–$100

Review moat

Great427.78

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.8%

search→purchase rate — share of searches ending in a sale

Growth

Good+25.7%

90-day search growth — must beat 0% to launch

Price range

Okay$11.38–$190.64

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Okay80%

top-5 brand share — brands hold most of the demand

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Market size

Bad$82K

$82K/yr · 30K searches

Returns

Bad9.3%

return rate — above 5% kills the launch gate

Signals High Returns

According to Flapen's Amazon United States niche tracking, nema 14-30 to 14-50 adapter is a $82K/yr Amazon United States market (30K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jul–Aug. Verdict: Skip it — 41/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

nema 14-30 to 14-50 adapter market data

Units sold / yr: 2K–2K; avg 0–100/product
Revenue / yr: $59K–$79K; units × avg price
Conversion rate: 6.8%
Avg BSR: #442
Page quality: 0%
Prime: 100%
Sponsored: 94%
Out of stock: 4.8%
Avg brand age: 35 months
Avg seller age: 152 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 rising

Sellers

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

15%

CircleCord30%
MECMO18%
Nilight15%
GZJoSum10%
Tellegloww8%
Kanayu5%
Open — no brand owns it (7 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +25.7% search growth over the last 90 days.

Peak months: Jul, Aug · busiest ÷ quietest = 1.8×

Open Trend

Top nema 14-30 to 14-50 adapter search terms

nema 14-30 to 14-50 adapter12K/yr +30.8%5.7% conv.
14-30 to 14-50 adapter7K/yr +5.4%7.5% conv.
dryer to ev charger adapter5K/yr +45.1%2.1% conv.
nema 14-50 to 14-30 adapter3K/yr +38.8%6.5% conv.
14-50 to 14-30 adapter3K/yr +11.5%6.7% conv.

All search terms

Top nema 14-30 to 14-50 adapter 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

CircleCord 4 Prong NEMA 14-30P to 14-50R EV Charger Adapter Cord Compatible with Tesla Model 3/S/X/Y 30 Amp Dryer to 50 Amp EV for Leave 2 Charging ETL Listed (Not for Dryer or RV)

CircleCord$22.244.6★1,847 rev

MECMO 14-30P to 14-50R Level 2 EV Charger Adapter 30A 4-Prong Dryer to EV Charger Adapter (Max 24Amp 240V) - 30 Amp to 50 Amp for Tesla Model 3/S/X/Y Car Charging Not for 3Prong Dryer/RV

MECMO$19.444.6★182 rev

NEMA 14-30P to 14-50R EV Charger Adapter Cord 30 AMP Dryer to 50 AMP EV/RV Conversion Adapter for Leave 2 Charging Compatible with Tesla and RV Use

GZJoSum$20.414.7★63 rev

Nilight EV Adapter Cord 30 Amp to 50 Amp 4 Prong Pure Copper New Dryer Outlet to EV Plug Conversion Heavy Duty 10 Gauge Wire Nema 14-30P to 14-50R 30M/50F for Level 2 EVs Using

Nilight$21.904.7★114 rev

Tellegloww 10FT NEMA 14-30P to 14-50R EV Charger Adapter Cord 30 Amp 4 Prong Dryer to 50 Amp EV for Level 2 Charging Only for 4 Prong New Dryer Outlet STW 10 AWG/4C ETL Listed

Tellegloww$47.464.7★220 rev

Newest

by launch date

Toptozl 25ft EV Charger Adapter Cord Compatible with NEMA 14-30P to 14-50R 30 Amp 4 Prong Dryer Male to 50 Amp 4 Prong EV RV Female for Level 2 or Telsa Charging RV Camper ETL Listed

Toptozl$91.6929 rev

11mo ago

Tellegloww 15FT NEMA 14-30P to 14-50R EV Charger Adapter Cord 30 Amp 4 Prong Dryer to 50 Amp EV for Level 2 Charging Only for 4 Prong New Dryer Outlet STW 10 AWG/4C ETL Listed

Tellegloww$59.07220 rev

1y ago

LANDNOR Heavy Duty 30 Amp to 50 Amp EV Power Adapter Cord - 4 Prong10 AWG Pure Copper Wire ETL Listed 4-30P to 14-50R 30M/50F Weatherproof for Level 2 EV Using

LANDNOR$11.383 rev

1y ago

Tellegloww 10FT NEMA 14-30P to 14-50R EV Charger Adapter Cord 30 Amp 4 Prong Dryer to 50 Amp EV for Level 2 Charging Only for 4 Prong New Dryer Outlet STW 10 AWG/4C ETL Listed

Tellegloww$47.46220 rev

1y ago

Suplevel 20FT EV Charger Adapter 14-30P to 14-50R 24A Max 240V

Suplevel$84.4847 rev

1y ago

What buyers say about nema 14-30 to 14-50 adapter

What buyers praise and complain about, mined from review topics.

What buyers love

Charging31%

“Works well for charging our Tesla”

Compatibility-Overall13%

“Good adapter”

Quality-Overall11%

“seems well made”

Advertised Vs Actual Product10%

“Works as advertised”

Strength6%

“Sturdy”

Value For Money6%

“price was good”

Size-Overall3%

“Perfect fit”

Durability3%

“Great durable quality”

Ease Of Use3%

“Very convenient”

Connectivity-Overall2%

“Great hookup”

What buyers complain about

Charging22%

“if you can't dial back your charging rate. in-vehicle or in-app., don't buy this adapter”

Durability21%

“Not very durable”

Flammable17%

“will burn house down”

Connectivity-Overall8%

“Didn't connect flat”

Heating7%

“Doesnt get hot”

Size-Overall4%

“14-30R connector not sized correctly”

Quality-Overall4%

“Not the best quality”

Natural Resource Wastage4%

“Waste of money”

Compatibility-Overall3%

“Not compatible with Tesla Model Y extended range”

Top return reasons

Compatibility-Overall29%

Size-Overall28%

Charging11%

Functionality-Overall8%

Connectivity-Overall5%

Socket/Port/Plug3%

Advertised Vs Actual Product3%

Value For Money3%

Defective Material/Parts2%

Heating2%

Common questions

Is nema 14-30 to 14-50 adapter profitable to sell on Amazon United States?: The niche generates $82K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +25.7%. Flapen's verdict: Skip it (41/100).
How competitive is the nema 14-30 to 14-50 adapter niche?: 13 brands and 18 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in nema 14-30 to 14-50 adapter?: Top complaints mined from reviews: Charging, Durability, Flammable. The return rate is 9.3% — above our launch gate.
When does demand for nema 14-30 to 14-50 adapter peak?: Demand peaks in Jul–Aug; the busiest month runs 1.8× the quietest.
What does it cost to enter the nema 14-30 to 14-50 adapter niche?: Listings span $11.38–$190.64; the average listing price is $39.62 (sweet spot $15–$100). The average incumbent carries 428 reviews — the moat a new listing must climb.

nema 14-30 to 14-50 adapter

nema 14-30 to 14-50 adapter market data

Competition & brand share

Demand & seasonality

Top nema 14-30 to 14-50 adapter search terms

Top nema 14-30 to 14-50 adapter products on Amazon

Top sellers

Newest

Trending

What buyers say about nema 14-30 to 14-50 adapter

What buyers love

What buyers complain about

Top return reasons

Common questions

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