240v to 12v Transformer
FailDemand is soft, at -56.1% this quarter, so 240v to 12v Transformer is a Fail.
- Flapen Score
- 44 / 100Ranks 542 of 811 Automotive niches · −5 vs the category median of 4944
- Market size
- £23K/yr44K searches / yr
- 90-day growth
- -56.1%search demand this quarter
- Competition
- 46%top-5 click share · 28 brands · 32 sellers
Flapen Score
240v to 12v Transformer against its category
The dotted line is the Automotive average. Past it, 240v to 12v Transformer is stronger. Inside it, weaker.
Market
The 240v to 12v Transformer market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for 240v to 12v Transformer 44K times last year and spent an estimated £23K. The top 5 brands take 46% of clicks. Demand peaks in Jan–Nov–Dec. Flapen scores it 44 out of 100, a Fail.
01 · Demand
An estimated 3.8% of those searches ended in a purchase.
Shoppers searched for this 44K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 3.8% of those searches ended in a purchase. Searches in the last 90 days moved -56.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £23K a year.
- Searches, last 12 months
- 44K
- Growth, 90 days vs prior 90
- -56.1%
- Conversion, latest week
- 3.8%
- Market size, estimated
- £23Ka year
- Peak month
- December2.7× the quietest month
- Top search term
- 240v to 12v transformer19K searches a year
02 · Price
A sale here is worth £13.49.
Listings sell for £13.49 on average, from £5.11 to £33.27. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At £13.49 that is £0 to £1K a year per listing.
- Average price
- £13.49under the $15 to $100 sweet spot
- Price range
- £5.11–£33.27
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- £0–£1K
- Returns
- 3.0%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads.
100% of listings pay for placement with sponsored ads. 93% ship with Prime. On an average day, 14.2% of listings are out of stock. The average listing ranks #96 within Car Parts. It carries 211 reviews at 4.49 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 93%
- Out of stock, average day
- 14.2%
- Average rank
- #96in Car Parts
- Average rating
- 4.49 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 211per listing
- Listings tracked
- 30
04 · Newcomers
0 of last year's 12 launches cleared the first-year sales bar.
12 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 36 months on average, so the names here are settling in.
- Launched, last 12 months
- 12
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 36 months
Products
Top 240v to 12v Transformer 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 18, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
AC to DC 120W Power Transformer 240V to 12V 10A with UK Plug for Portable Fridges Tyre Inflators Cool Boxes Caravans & 12V Power Tools
- Price
- £15.11
- Rating
- 4.6/5
- Reviews
- 444
- Age
- 9y ago

vsshe 240V to 12V Power Converter Adapter Diesel Heater 12V Power Supply Adapter AC-to-DC Transformer for 5KW/8KW Diesel Parking Heater Transformer Power Converter for Indoor Use in RVs Caravans
- Price
- £14.71
- Rating
- 5.0/5
- Reviews
- 13
- Age
- 7mo ago

240V to 12V Power Converter Adapter Diesel Air Heater Power Supply Adapter AC-to-DC Transformer for 5KW/8KW All-in-One Diesel Parking Heater Suitable for Indoor Use in RVs Caravans
- Price
- £14.54
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 1y ago

240V to 12V Power Converter Adapter Diesel Air Heater Power Supply Adapter DC Power Converter AC to DC Transformer for 5KW/8KW Diesel Parking Heater
- Price
- £13.95
- Rating
- 4.4/5
- Reviews
- 4
- Age
- 6mo ago

LightingWill 12V 30A 360W DC Universal Regulated Switching Power Supply Converter AC 240V to DC 12V LED Power Adapter Transformer Driver for CCTV LED Strip light Radio Computer Project
- Price
- £17.31
- Rating
- 4.6/5
- Reviews
- 244
- Age
- 5y ago
Trending
estimated 90-day click momentum
240V to 12V Power Converter Adapter AC-to-DC Transformer with Power Cord Air Heater Power Supply for 5KW/8KW All-in-One Diesel Heaters
- Price
- £17.74
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 3mo ago

240V to 12V Power Converter Adapter AC-to-DC Transformer for 5KW/8KW Diesel Air Heater Portable Plug-and-Play Power Supply for RVs Caravans Garages & Indoor Use
- Price
- £12.76
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 2mo ago

240V to 12V Power Converter Adapter Diesel Air Heater Power Supply Adapter AC-to-DC Transformer for 5KW/8KW All-in-One Diesel Parking Heater Suitable for Indoor Use in RVs Caravans
- Price
- £14.54
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 1y ago

Diesel Air Heater 12V 5KW-8KW All In One Fast Heating Parking Night Diesel Heater For Campervan Car Truck Boat RV Power Supply Adapter Power Cord 240V to 12V Transformer Power Converter
- Price
- £18.68
- Rating
- 2.0/5
- Reviews
- 1
- Age
- 5mo ago

240V to 12V Power Converter Adapter Diesel Air Heater Power Supply Adapter AC-to-DC Transformer for 5KW/8KW Diesel Parking Heater for Caravan Motorhome Garage or Indoor Use
- Price
- £15.18
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 6mo ago
Newest
by launch date
240V to 12V Power Converter Adapter AC-to-DC Transformer for 5KW/8KW Diesel Air Heater Portable Plug-and-Play Power Supply for RVs Caravans Garages & Indoor Use
- Price
- £12.76
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 2mo ago

240V to 12V Power Converter Adapter AC-to-DC Transformer with Power Cord Air Heater Power Supply for 5KW/8KW All-in-One Diesel Heaters
- Price
- £17.74
- Rating
- 5.0/5
- Reviews
- 2
- Age
- 3mo ago

Diesel Air Heater 12V 5KW-8KW All In One Fast Heating Parking Night Diesel Heater For Campervan Car Truck Boat RV Power Supply Adapter Power Cord 240V to 12V Transformer Power Converter
- Price
- £18.68
- Rating
- 2.0/5
- Reviews
- 1
- Age
- 5mo ago

Diesel Heater 12V Power Supply Adapter 240V to 12V Transformer Power Converter for 5KW 8KW All-in-One Diesel Heater for Caravan Motorhome Garage or Indoor Use
- Price
- £16.34
- Rating
- 5.0/5
- Reviews
- 5
- Age
- 5mo ago

240V to 12V Power Converter Adapter Diesel Air Heater Power Supply Adapter AC-to-DC Transformer for 5KW/8KW Diesel Parking Heater for Caravan Motorhome Garage or Indoor Use
- Price
- £15.18
- Rating
- 5.0/5
- Reviews
- 3
- Age
- 6mo ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 46% of clicks. Leaders hold, but buyers still shop past them.
Brands
28 rising
Sellers
32
Est. top-5 brand share
46%
Top 20: 91%
Est. top-5 click share
46%
Top 20: 89%
Open market
49%
- Amacam18%
- vsshe10%
- xinrongda7%
- LYPPUL6%
- LightingWill5%
- Caldarax5%
Demand
240v to 12v Transformer search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.7×
Search terms
Top 240v to 12v Transformer search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 240v to 12v transformer19K/yr
- 240 to 12v transformer5K/yr
- 230v to 12v transformer3K/yr
- 240 volt to 12 volt transformer5K/yr
- diesel heater 12v power supply7K/yr
- diesel heater power supply6K/yr
Reviews and returns
What reviews say buyers love and hate about 240v to 12v Transformer
We read the reviews and the return reasons for every product selling here.
“However, the unit does get extremely warm with overnight use”
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.
18 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 240v to 12v Transformer 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









