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9v Power Supply

Fail

Prices span $5.27–$10.96, mostly outside the sweet spot, so 9v Power Supply is a Fail.

Flapen Score
45
45 / 100
Top 44% of 1,488 Electronics & Photo niches · +1 vs the category median of 44
Market size
£61K/yr68K searches / yr
90-day growth
-19.4%search demand this quarter
Competition
65%top-5 click share · 20 brands · 23 sellers

Flapen Score

9v Power Supply against its category

The dotted line is the Electronics & Photo average. Past it, 9v Power Supply is stronger. Inside it, weaker.

45Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 9v Power Supply market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 9v Power Supply 68K times last year and spent an estimated £61K. The top 5 brands take 65% of clicks. Demand peaks in Jan–Dec. Flapen scores it 45 out of 100, a Fail.

01 · Demand

An estimated 12.5% of those searches ended in a purchase.

Shoppers searched for this 68K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 12.5% of those searches ended in a purchase. Searches in the last 90 days moved -19.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £61K a year.

Searches, last 12 months
68K
Growth, 90 days vs prior 90
-19.4%
Conversion, latest week
12.5%
Market size, estimated
£61Ka year
Peak month
January1.9× the quietest month
Top search term
9v power supply31K searches a year

02 · Price

A sale here is worth £7.15.

Listings sell for £7.15 on average, from £5.27 to £10.96. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 250 to 500 of them. At £7.15 that is £2K to £4K a year per listing.

Average price
£7.15under the $15 to $100 sweet spot
Price range
£5.27–£10.96
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
6K–8K
Units per listing a year
250–500
Revenue per listing a year
£2K–£4K
Returns
3.1%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

90% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 19.7% of listings are out of stock. The average listing ranks #53 within Power Accessories. It carries 216 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
100%
Out of stock, average day
19.7%
Average rank
#53in Power Accessories
Average rating
4.18 starsAmazon United Kingdom average 4.36 stars
Average reviews
216per listing
Listings tracked
20

04 · Newcomers

0 of last year's 5 launches cleared the first-year sales bar.

5 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 34 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
5
Successful launches
0Amazon's first-year sales bar
Average brand age
34 months

Products

Top 9v Power Supply products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 23, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 65% of clicks. Leaders hold, but buyers still shop past them.

£0£6K£12K£18K£24K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 falling

Sellers

23

Est. top-5 brand share

65%

Top 20: 100%

Est. top-5 click share

65%

Top 20: 100%

Open market

31%

  • iLitLuk26%
  • SONICAKE15%
  • yimeizhiguang9%
  • JOYO8%
  • NGUIT6%
  • BakeWhiz4%

Demand

9v Power Supply search demand

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

2K2KHoliday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.9×

Search terms

Top 9v Power Supply search terms shoppers use

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

  • 9v power supply31K/yr
  • 9v dc power supply13K/yr
  • dc 9v power supply5K/yr
  • 9v power supply guitar pedal6K/yr
  • 9v guitar pedal power supply4K/yr
  • 9v charger3K/yr
  • 9v adapter3K/yr
  • 9 volt power supply3K/yr

Reviews and returns

What reviews say buyers love and hate about 9v Power Supply

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

22%of positive reviews mention “Advertised Vs Actual Product”
24%of negative reviews mention “Functionality-Overall”
3.1%of orders come back
“then stopped working”
A buyer, on “Functionality-Overall”24% 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 9v Power Supply questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data