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39

20 amp to 15 amp plug adapter

Skip it

A small market ($41K/yr) — this niche doesn't clear our bar today.

Market size 10Growth 54Conversion 73Competition 20Returns 50Price range 64Avg price 36Brand share 29Review moat 75Quality gap 23

Review moat

Good518.67

avg incumbent reviews — the moat a new listing must climb

Conversion

Good6.7%

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

Price range

Good$6.84–$29.58

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

Growth

Good+25.7%

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

Returns

Okay3.0%

return rate — above 5% kills the launch gate

Avg price

Okay$10.27

avg listing price — sweet spot $15–$100

Brand share

Okay88%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad76%

top-5 click share — a locked-up shelf

Market size

Bad$41K

$41K/yr · 59K searches

According to Flapen's Amazon United States niche tracking, 20 amp to 15 amp plug adapter is a $41K/yr Amazon United States market (59K searches/yr). The top 5 brands hold 88% of demand. Demand peaks in Jun. Verdict: Skip it — 39/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

20 amp to 15 amp plug adapter market data

Units sold / yr
5K–6K
avg 250–500/product
Revenue / yr
$51K–$62K
units × avg price
Conversion rate
6.7%
Avg BSR
#263
Page quality
0%
Prime
100%
Sponsored
93%
Out of stock
0.0%
Avg brand age
46 months
Avg seller age
185 days

Competition & brand share

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 falling

Sellers

12

Top-5 brand share

88%

Top 20: 100%

Top-5 click share

76%

Top 20: 100%

Open market

9%

  • Plugrand43%
  • MECMO22%
  • Cable Matters10%
  • HUARLPLUG7%
  • ADCAUDX6%
  • acbroad4%
  • Open — no brand owns it (4 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +25.7% search growth over the last 90 days.
2K1KHoliday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jun · busiest ÷ quietest = 1.6×

Open Trend

Top 20 amp to 15 amp plug adapter search terms

  • nema 5-20p adapter9K/yr
  • 20 amp to 15 amp plug adapter9K/yr
  • 20 amp plug adapter7K/yr
  • 115 volt plug adapter4K/yr
  • 20 amp to 15 amp adapter4K/yr
  • nema 5-15 adapter5K/yr
  • nema adapter5K/yr
  • 20amp to 15 amp adapter4K/yr
  • 15 amp to 20 amp adapter4K/yr
  • nema 5-20 adapter3K/yr
All search terms

Top 20 amp to 15 amp plug 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.

0%10%$4K20%$8K30%$12K40%$16K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share
1
5-15P to 5-15R 5-20R 6-15R 6-20R Adapter Plugrand 15 Amp Household AC Plug to 20 Amp T Blade Adapter 4 in 1 AC Power Plug 15A 125V to 20A 250V Adapters

5-15P to 5-15R 5-20R 6-15R 6-20R Adapter Plugrand 15 Amp Household AC Plug to 20 Amp T Blade Adapter 4 in 1 AC Power Plug 15A 125V to 20A 250V Adapters

Plugrand$7.094.5★2,646 rev

2
MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO$9.904.8★204 rev

3
[4-in-1] 12AWG 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable NEMA 5-15P to 5-15R/ 5-20R/ 6-15R/ 6-20R 4 in 1 AC Adapter 15A 125V to 20A 250V Extension Cable 1FT

[4-in-1] 12AWG 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable NEMA 5-15P to 5-15R/ 5-20R/ 6-15R/ 6-20R 4 in 1 AC Adapter 15A 125V to 20A 250V Extension Cable 1FT

Plugrand$10.064.7★1,433 rev

4
Cable Matters 3-Pack 15 Amp to 20 Amp Plug Adapter Black

Cable Matters 3-Pack 15 Amp to 20 Amp Plug Adapter Black

Cable Matters$9.864.7★949 rev

5
1-FT 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable 12AWG Nema 5-15P to 5-20R 5-15P to 6-15R/20R 20Amp to 15Amp Plug-Adapter Cord Heavy Duty 15A 125V to 20A 250V Extension-Cord

1-FT 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable 12AWG Nema 5-15P to 5-20R 5-15P to 6-15R/20R 20Amp to 15Amp Plug-Adapter Cord Heavy Duty 15A 125V to 20A 250V Extension-Cord

ADCAUDX$10.014.7★239 rev

Newest

by launch date
MECMO Waterproof 1ft 15 Amp Household to 20 Amp AC Power Adapter Cable 12/3 Outdoor Extension Cord Flat Plug [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A to 20A 125V 1875W SJTW

MECMO Waterproof 1ft 15 Amp Household to 20 Amp AC Power Adapter Cable 12/3 Outdoor Extension Cord Flat Plug [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A to 20A 125V 1875W SJTW

MECMO$10.3338 rev

6mo ago
CRST 15 Amp to 20 Amp Adapter Plug with 15A Overload Protection Switch ETL Listed NEMA 5-15P to 5-20R AC Power Adapter Safe Conversion for 20A Devices on Standard 15A Outlets

CRST 15 Amp to 20 Amp Adapter Plug with 15A Overload Protection Switch ETL Listed NEMA 5-15P to 5-20R AC Power Adapter Safe Conversion for 20A Devices on Standard 15A Outlets

CRST$10.3331 rev

6mo ago
1-Foot 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable14AWG 1-Foot 15 A to 20 A Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Yellow

1-Foot 15 Amp Household AC Plug to 20 Amp T Blade Adapter Cable14AWG 1-Foot 15 A to 20 A Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Yellow

HUARLPLUG$8.0233 rev

1y ago
1-Foot 15 A Household AC Plug to 20 A T Blade Adapter Cable14AWG 1-Foot 15 Amp to 20 Amp Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Black

1-Foot 15 A Household AC Plug to 20 A T Blade Adapter Cable14AWG 1-Foot 15 Amp to 20 Amp Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Black

HUARLPLUG$8.0833 rev

1y ago
MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO$9.90204 rev

1y ago

Trending

90-day click momentum
CRST 15 Amp to 20 Amp Adapter Plug with 15A Overload Protection Switch ETL Listed NEMA 5-15P to 5-20R AC Power Adapter Safe Conversion for 20A Devices on Standard 15A Outlets

CRST 15 Amp to 20 Amp Adapter Plug with 15A Overload Protection Switch ETL Listed NEMA 5-15P to 5-20R AC Power Adapter Safe Conversion for 20A Devices on Standard 15A Outlets

CRST$10.334.5★

▲ 252%
MECMO Waterproof 1ft 15 Amp Household to 20 Amp AC Power Adapter Cable 12/3 Outdoor Extension Cord Flat Plug [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A to 20A 125V 1875W SJTW

MECMO Waterproof 1ft 15 Amp Household to 20 Amp AC Power Adapter Cable 12/3 Outdoor Extension Cord Flat Plug [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A to 20A 125V 1875W SJTW

MECMO$10.334.7★

▲ 224%
1-Foot 15 A Household AC Plug to 20 A T Blade Adapter Cable14AWG 1-Foot 15 Amp to 20 Amp Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Black

1-Foot 15 A Household AC Plug to 20 A T Blade Adapter Cable14AWG 1-Foot 15 Amp to 20 Amp Plug Adapter Cord Nema 5-15P to 5-15R/5-20R 20Amp Comb AC Power Cord Black

HUARLPLUG$8.085.0★

▲ 119%
MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO Outdoor 12 inch 15 Amp Household to 20 Amp AC Power Adapter Cable Waterproof 12AWG SJTW [4 in 1] NEMA 5-15P to 5-15R 5-20R 6-15R 6-20R T Blade 15A 125V to 20A 250V 15Amp to 20Amp Extension Cord

MECMO$9.904.8★

▲ 45%
LENZ NEMA 5-15 Adapter: Compatible ONLY with Tesla Mobile Charger Gen 2 & 3 This Adapter Plugs into Your 120 V 5-15 Outlet at 12 Amps (Verify Before Purchase) 10-Inch Length

LENZ NEMA 5-15 Adapter: Compatible ONLY with Tesla Mobile Charger Gen 2 & 3 This Adapter Plugs into Your 120 V 5-15 Outlet at 12 Amps (Verify Before Purchase) 10-Inch Length

LENZ$29.584.6★

▲ 36%

What buyers say about 20 amp to 15 amp plug adapter

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

What buyers love

Advertised Vs Actual Product17%

“As Advertised”

Quality-Overall15%

“Solid good product”

Socket/Port/Plug9%

“Nice switchable adapter plug”

Value For Money5%

“Good price easy to use just plug”

Ease Of Use5%

“easy to use”

Design-Overall4%

“I also love the compact design”

Material Quality4%

“the material feels well made”

Compatibility-Overall3%

“this adapter solved my problem”

Size-Overall3%

“Perfect fit”

Strength3%

“It feels very sturdy”

What buyers complain about

Compatibility-Overall15%

“Not For High Power Appliances”

Quality-Overall10%

“The build quality does feel a bit cheap though”

Size-Overall8%

“It's a small”

Certifications5%

“not UL-listed”

Ease Of Use3%

“it can be quite tedious”

Strength3%

“Also I wish it was built just a little sturdier”

Grip2%

“You cant grip it”

Weight Heavy1%

“That said, this isnt something I would rely on for heavy, continuous use”

Top return reasons

Compatibility-Overall32%
Size-Overall30%
Functionality-Overall8%
Socket/Port/Plug7%
Connectivity-Overall4%
Advertised Vs Actual Product3%
Charging2%
Defective Material/Parts2%
Value For Money2%
Amplification2%

Common questions

Is 20 amp to 15 amp plug adapter profitable to sell on Amazon United States?
The niche generates $41K/yr across 15 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +25.7%. Flapen's verdict: Skip it (39/100).
How competitive is the 20 amp to 15 amp plug adapter niche?
10 brands and 12 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 88% of demand.
What do buyers complain about in 20 amp to 15 amp plug adapter?
Top complaints mined from reviews: Compatibility-Overall, Quality-Overall, Size-Overall. The return rate is 3.0%.
When does demand for 20 amp to 15 amp plug adapter peak?
Demand peaks in Jun; the busiest month runs 1.6× the quietest.
What does it cost to enter the 20 amp to 15 amp plug adapter niche?
Listings span $6.84–$29.58; the average listing price is $10.27 (sweet spot $15–$100). The average incumbent carries 519 reviews — the moat a new listing must climb.