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49

12v 2a power supply

Skip it

A small market ($114K/yr) — this niche doesn't clear our bar today.

Market size 27Growth 36Conversion 95Competition 50Returns 31Price range 52Avg price 38Brand share 76Review moat 58Quality gap 43

Conversion

Incredible12.2%

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

Brand share

Great59%

top-5 brand share — no brand owns this niche

Review moat

Good1,161.52

avg incumbent reviews — the moat a new listing must climb

Price range

Good$6.20–$24.67

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

Competition

Good55%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay$10.52

avg listing price — sweet spot $15–$100

Growth

Okay+9.1%

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

Returns

Okay4.5%

return rate — above 5% kills the launch gate

Market size

Okay$114K

$114K/yr · 89K searches

According to Flapen's Amazon United States niche tracking, 12v 2a power supply is a $114K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 59% of demand. Verdict: Skip it — 49/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

12v 2a power supply market data

Units sold / yr
10K–13K
avg 250–500/product
Revenue / yr
$105K–$132K
units × avg price
Conversion rate
12.2%
Avg BSR
#5
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
7.7%
Avg brand age
47 months
Avg seller age
193 days

Competition & brand share

The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

19

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

55%

Top 20: 99%

Open market

32%

  • SANSUN16%
  • MTYTOT13%
  • SmoTecQ11%
  • Wefomey11%
  • TRYTHINK9%
  • WZR9%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +9.1% search growth over the last 90 days.
2K2KSpike '24Prime Day '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top 12v 2a power supply search terms

  • 12v 2a power supply51K/yr
  • 12v 2a power adapter10K/yr
  • 12v 2 amp power supply6K/yr
  • 12 volt 2 amp power supply5K/yr
  • 12v 2amp power supply4K/yr
  • 12v 2a5K/yr
  • 12vdc 2a power supply3K/yr
  • dc 12v 2a power supply3K/yr
  • 12 v 2 amp power supply2K/yr
All search terms

Top 12v 2a power supply 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%4%$5K8%$9K12%$14K16%$18K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about 12v 2a power supply

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

What buyers love

Advertised Vs Actual Product23%

“As advertised”

Quality-Overall13%

“Good quality”

Value For Money12%

“Great value”

Size-Overall10%

“Perfect fit”

Charging8%

“Great universal charger”

Compatibility-Overall6%

“They work very well for cctv use”

Ease Of Use4%

“Easy to use”

Efficiency2%

“Worked well”

Amplification2%

“As long as you don't go above the 2 amp rating you should be good to go”

Connectivity-Overall1%

“It attached easily”

What buyers complain about

Durability22%

“This is not durable at all”

Functionality-Overall14%

“Did not work right of the box”

Compatibility-Overall9%

“it's wasn't compatible”

Size-Overall8%

“Didnt fit”

Advertised Vs Actual Product7%

“Misleading Image”

Charging6%

“doesnt provide power”

Quality-Overall6%

“The build quality seems very poor”

Socket/Port/Plug4%

“The male plug was a little loose in fixture”

Connectivity-Overall4%

“it began having connection issues — the light would flicker on”

Brightness/Shine/Glow2%

“the light is weirdly bright”

Top return reasons

Size-Overall32%
Compatibility-Overall29%
Functionality-Overall12%
Charging10%
Defective Material/Parts4%
Connectivity-Overall3%
Socket/Port/Plug2%
Advertised Vs Actual Product2%
Value For Money1%
Add-Ons/Attachments1%

Common questions

Is 12v 2a power supply profitable to sell on Amazon United States?
The niche generates $114K/yr across 21 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is +9.1%. Flapen's verdict: Skip it (49/100).
How competitive is the 12v 2a power supply niche?
17 brands and 19 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in 12v 2a power supply?
Top complaints mined from reviews: Durability, Functionality-Overall, Compatibility-Overall. The return rate is 4.5%.
When does demand for 12v 2a power supply peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the 12v 2a power supply niche?
Listings span $6.20–$24.67; the average listing price is $10.52 (sweet spot $15–$100). The average incumbent carries 1,162 reviews — the moat a new listing must climb.