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12v Power Supply

12v Power Supply shows no brand lock-in (top 5 brands take 45% of clicks), but soft demand (-16.1% this quarter) keeps it on the watch list.

Flapen Score

55
Worth a look
Market size 31Growth 17Conversion 70Competition 78Returns 46Price range 67Avg price 27Brand share 90Review moat 90Quality gap 63
This niche Category average

Is 12v Power Supply profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, 12v Power Supply is a £142K/yr Amazon United Kingdom market (237K searches/yr). The top 5 brands hold 45% of demand. Demand peaks in Dec. Verdict: Worth a look — 55/100.

12v Power Supply: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -16.1% over the last 90 days and 6.5% of searches end in a purchase.

£142K

revenue / yr

Units sold / yr20K
Search volume / yr-16.1%237K
Conversion rate6.5%
Avg price£9.28

Who owns the niche?

The top 5 brands hold 45% of demand, so 55% of the market is open.

55%

open market share

Brands · sellers31 · 34
Top-5 product click share37%
Open market55%
Avg brand age31 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 43 products

Sponsored placement88%
New entrants (1y)13· 0 succeeded
Avg rating4.4★
Avg reviews201

Top 12v Power Supply products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.

£0£6K£11K£17K£23K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

31 flat

Sellers

34

Top-5 brand share

45%

Top 20: 92%

Top-5 click share

37%

Top 20: 81%

Open market

49%

  • SZZKtech13%
  • shefor12%
  • Yisica8%
  • inShareplus6%
  • Multibao6%
  • Lighting EVER6%

12v Power Supply demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume237KCVR6.5%Products43Brands31Top 5 Brands45%OOS Rate2.2%Rating4.4★Reviews201Avg BSR#160
6K4KHoliday '24Spike '25Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top 12v Power Supply search terms shoppers use

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

  • 12v power supply142K/yr
  • 12v dc power supply21K/yr
  • 12 volt power supply14K/yr
  • 12v adapter12K/yr
  • 12v power adapter9K/yr
  • 12v dc power adapter4K/yr
  • 12v psu6K/yr
  • 12v ac adapter5K/yr
  • dc12v power supply3K/yr
  • power adapter 12v4K/yr

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

What buyers mention most, as a share of all reviews.

What buyers love

81% of reviews
Quality-Overall22%

Brilliant quality

Advertised Vs Actual Product17%

As advertised

Value For Money13%

Good value for money

Charging7%

Charger

Ease Of Use5%

ease of use

What buyers complain about

65% of reviews
Heating11%

Very hot to touch

Functionality-Overall10%

Doesnt work

Size-Overall7%

is too long for some devices

Noise Level7%

Loud

Charging7%

Blew my circuit board on my hand held led light bar would rather got the money out for a original charger as now Im down a £50 torch plus what I payed for the charger

12v Power Supply return rate & reasons

Why buyers send it back, as a share of all return requests.

3.3%

Return rate

32%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
29%
2Compatibility-Overall
22%
3Functionality-Overall
15%
4Charging
12%
5Defective Material/Parts
6%

Common 12v Power Supply questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores 12v Power Supply 55/100 on Amazon United Kingdom — Worth a look. The niche generates £142K/yr across 43 tracked products. 0 of 13 products launched in the last 360 days are still selling. Search demand moved -16.1% over the last 90 days.
Search demand for 12v Power Supply on Amazon United Kingdom peaks in Dec, where the busiest month runs 1.6× the quietest.