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52

12v extension lead

Worth a look

Shows low returns (1.4%), but prices mostly outside the sweet spot ($3.20–$13.90) keeps it on the watch list.

Market size 19Growth 53Conversion 86Competition 56Returns 87Price range 0Avg price 21Brand share 76Review moat 65Quality gap 40

Returns

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Great9.7%

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

Brand share

Great59%

top-5 brand share — no brand owns this niche

Review moat

Good905.61

avg incumbent reviews — the moat a new listing must climb

Competition

Good51%

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

Growth

Good+25.4%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Bad£7.45

avg listing price — sweet spot $15–$100

Market size

Bad£74K

£74K/yr · 103K searches

Price range

Bad£3.20–£13.90

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

According to Flapen's Amazon United Kingdom niche tracking, 12v extension lead is a £74K/yr Amazon United Kingdom market (103K searches/yr). The top 5 brands hold 59% of demand. Demand peaks in Jul–Aug. Verdict: Worth a look — 52/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

12v extension lead market data

Units sold / yr
8K–10K
avg 250–500/product
Revenue / yr
£60K–£75K
units × avg price
Conversion rate
9.7%
Avg BSR
#113
Page quality
0%
Prime
100%
Sponsored
78%
Out of stock
2.6%
Avg brand age
33 months
Avg seller age
217 days

Competition & brand share

The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

30

Top-5 brand share

59%

Top 20: 100%

Top-5 click share

51%

Top 20: 96%

Open market

35%

  • Amacam27%
  • Linkstyle9%
  • Thlevel9%
  • Gibbab8%
  • MJFENDAI7%
  • URAQT6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +25.4% search growth over the last 90 days.
3K2KPrime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Aug · busiest ÷ quietest = 2.1×

Top 12v extension lead search terms

  • 12v extension lead29K/yr
  • cigarette lighter extension lead21K/yr
  • 12v extension cable6K/yr
  • car cigarette lighter extension lead9K/yr
  • 12v cigarette lighter socket extension7K/yr
  • cigarette lighter extension7K/yr
  • 12v socket extension6K/yr
  • 12v extension3K/yr
  • car 12v extension cable4K/yr
  • 12v car extension lead3K/yr
All search terms

Top 12v extension lead 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%£7K20%£15K30%£22K40%£30K1101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about 12v extension lead

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

What buyers love

Quality-Overall34%

“Well made item”

Advertised Vs Actual Product16%

“It does what I bought it for”

Value For Money7%

“Value for money”

Ease Of Use7%

“Easy to use”

Charging6%

“It's charging quickly”

Socket/Port/Plug5%

“I like being able to switch of the sockets”

Add-Ons/Attachments4%

“a useful accessory to keep in the car”

Size-Overall2%

“fits perfectly in my truck”

Strength2%

“Velcro stability option was a nice tough”

Design-Overall1%

“Useful design”

What buyers complain about

Durability16%

“Broke after 10 mins”

Charging15%

“Very slow charger”

Connectivity-Overall9%

“the negative cable was not connected hence the issue with the power”

Heating9%

“Doesnt get hot like a previous one I had”

Quality-Overall9%

“This is down to quality control”

Size-Overall6%

“so would not fit”

Adhesion/Stickiness5%

“The sticky hooks and loops are not very good”

Socket/Port/Plug5%

“two of the 12v sockets have broken”

Value For Money4%

“Wish it was slightly cheaper”

Ease Of Use3%

“hard to read”

Top return reasons

Functionality-Overall27%
Size-Overall15%
Defective Material/Parts9%
Compatibility-Overall9%
Socket/Port/Plug8%
Charging5%
Connectivity-Overall5%
Durability3%
Quality-Overall2%
Value For Money2%

Common questions

Is 12v extension lead profitable to sell on Amazon United Kingdom?
The niche generates £74K/yr across 23 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +25.4%. Flapen's verdict: Worth a look (52/100).
How competitive is the 12v extension lead niche?
17 brands and 30 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 59% of demand.
What do buyers complain about in 12v extension lead?
Top complaints mined from reviews: Durability, Charging, Connectivity-Overall. The return rate is 1.4%.
When does demand for 12v extension lead peak?
Demand peaks in Jul–Aug; the busiest month runs 2.1× the quietest.
What does it cost to enter the 12v extension lead niche?
Listings span £3.20–£13.90; the average listing price is £7.45 (sweet spot $15–$100). The average incumbent carries 906 reviews — the moat a new listing must climb.