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12v 3a Power Supply

Fail

The top 5 products take 91% of clicks, so 12v 3a Power Supply is a Fail.

Flapen Score
33
33 / 100
Ranks 7,120 of 8,347 Electronics niches · −10 vs the category median of 43
Market size
$104K/yr81K searches / yr
90-day growth
-0.6%search demand this quarter
Competition
91%top-5 click share · 7 brands · 10 sellers

Flapen Score

12v 3a Power Supply against its category

The dotted line is the Electronics average. Past it, 12v 3a Power Supply is stronger. Inside it, weaker.

33Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 12v 3a Power Supply market on Amazon at a glance

Shoppers on Amazon United States searched for 12v 3a Power Supply 81K times last year and spent an estimated $104K. The top 5 brands take 93% of clicks. Flapen scores it 33 out of 100, a Fail.

01 · Demand

An estimated 12.2% of those searches ended in a purchase.

Shoppers searched for this 81K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.2% of those searches ended in a purchase. Searches in the last 90 days moved -0.6% against the 90 days before. Searches, conversion and average price together put the market at an estimated $104K a year.

Searches, last 12 months
81K
Growth, 90 days vs prior 90
-0.6%
Conversion, latest week
12.2%
Market size, estimated
$104Ka year
Peak month
January1.2× the quietest month
Top search term
12v 3a power supply29K searches a year

02 · Price

A sale here is worth $10.55.

Listings sell for $10.55 on average, from $7.39 to $16.27. Amazon reports units sold in ranges. This niche sold 10K to 13K a year. The average listing sells 1,000 to 1,250 of them. At $10.55 that is $11K to $13K a year per listing.

Average price
$10.55under the $15 to $100 sweet spot
Price range
$7.39–$16.27
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
10K–13K
Units per listing a year
1,000–1,250
Revenue per listing a year
$11K–$13K
Returns
4.1%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is low.

88% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #2 within Power Accessories. It carries 1,432 reviews at 4.50 stars, so a new listing needs social proof before a better product.

Sponsored listings
88%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#2in Power Accessories
Average rating
4.50 starsAmazon United States average 4.42 stars
Average reviews
1,432per listing
Listings tracked
8

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 50 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
50 months

Products

Top 12v 3a Power Supply products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Sign in to see the products

The products selling in this niche are for signed-in readers. Every market figure above stays open to everyone.

Competition

Competition: brands, sellers & click share

The top 5 products take 91% of clicks. A locked shelf that new listings rarely crack.

Brands

7 falling

Sellers

10

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

91%

Top 20: 100%

Open market

3%

  • Brand 138%
  • Brand 223%
  • Brand 313%
  • Brand 412%
  • Brand 57%
  • Brand 65%
  • Open — no brand owns it (1 brand, 3%)

Demand

12v 3a Power Supply search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K1KPrime Day '25Spike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Search terms

Top 12v 3a Power Supply search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 12v 3a power supply29K/yr
  • 12v 3a+ power supply11K/yr
  • 12v 3a power adapter9K/yr
  • 12v 3 amp power supply6K/yr
  • 12v 3a5K/yr
  • power adapter (12v - 3a)4K/yr
  • 12 volt 3 amp power supply4K/yr
  • 12v 3amp dc power supply4K/yr
  • 12v/3a power supply3K/yr
  • dc 12v 3a power cord3K/yr

Reviews and returns

What reviews say buyers love and hate about 12v 3a Power Supply

We read the reviews and the return reasons for every product selling here.

28%of positive reviews mention “Advertised Vs Actual Product”
14%of negative reviews mention “Charging”
4.1%of orders come back
“mess with the cord for it to charge”
A buyer, on “Charging”14% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

17 topics

NegativePositive

FAQ

Common 12v 3a Power Supply questions

Answered from the same tracked data.