Is 110v to 240v converter profitable to sell on Amazon United Kingdom?

The niche generates £114K/yr across 28 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -7.9%. Flapen's verdict: Worth a look (52/100).

How competitive is the 110v to 240v converter niche?

23 brands and 57 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 61% of demand.

What do buyers complain about in 110v to 240v converter?

Top complaints mined from reviews: Functionality-Overall, Durability, Heating. The return rate is 4.2%.

When does demand for 110v to 240v converter peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the 110v to 240v converter niche?

Listings span £8.32–£118.86; the average listing price is £31.56 (sweet spot $15–$100). The average incumbent carries 172 reviews — the moat a new listing must climb.

110v to 240v converter

Worth a look

Shows a sweet-spot price point ($31.56 avg), but soft demand (-7.9% this quarter) keeps it on the watch list.

Avg price

Incredible£31.56

avg listing price — sweet spot $15–$100

Review moat

Great171.89

avg incumbent reviews — the moat a new listing must climb

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Great£8.32–£118.86

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

Brand share

Good61%

top-5 brand share — brands hold most of the demand

Competition

Good54%

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

Conversion

Okay3.5%

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

Returns

Okay4.2%

return rate — above 5% kills the launch gate

Market size

Okay£114K

£114K/yr · 103K searches

Growth

Bad-7.9%

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

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, 110v to 240v converter is a £114K/yr Amazon United Kingdom market (103K searches/yr). The top 5 brands hold 61% of demand. Verdict: Worth a look — 52/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

110v to 240v converter market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: £95K–£126K; units × avg price
Conversion rate: 3.5%
Avg BSR: #122
Page quality: 0%
Prime: 89%
Sponsored: 82%
Out of stock: 5.5%
Avg brand age: 41 months
Avg seller age: 197 days

Competition & brand share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

Brands

23 rising

Sellers

Top-5 brand share

61%

Top 20: 97%

Top-5 click share

54%

Top 20: 91%

Open market

34%

Cantonape21%
iPalamila14%
Mercury10%
vapourd9%
Kutixth6%
Aplsinvivi5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -7.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 110v to 240v converter search terms

step down transformer 240v to 110v14K/yr -12.6%3.4% conv.
us to uk voltage converter13K/yr +3.5%3.5% conv.
step down transformer10K/yr -2.4%1.5% conv.
240v to 110v transformer10K/yr -16.1%2.6% conv.
220v to 110v converter7K/yr +1.7%1.8% conv.
step down transformer 240v to 100v6K/yr -17.0%0.5% conv.
240 to 110 transformer5K/yr +3.5%2.1% conv.
voltage converter us to uk6K/yr -8.5%3.1% conv.
240v to 110v converter4K/yr +3.8%2.3% conv.
240v to 120v converter5K/yr -13.1%1.6% conv.

All search terms

Top 110v to 240v converter 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

500W Voltage Transformer 220/240 Volts to 110/120V Step Up Step Down Voltage Converter UK to US & US to UK

Cantonape£31.714.5★265 rev

200W Step-Down Power Supply voltage converter 220V/240V to 110V/120V(UK Plug) Smart and Efficient Temperature-Protected Adapter Suitable for WiFi POS Machines and Power Bank

iPalamila£13.104.0★40 rev

Mercury Stepdown voltage converter 230V - 110V 45W

Mercury£9.033.4★514 rev

300W Step-Down Power Supply voltage converter 220V/240V to 110V/120V(UK Plug) Smart and Efficient Temperature-Protected Adapter Suitable for WiFi POS Machines and Power Bank

Kutixth£17.545.0★5 rev

200W Step Down Power Voltage Converter Transformer (UK Plug) 220v/240v to 110v/120v Intelligent Efficient Adapter Travel Power Adapter for WIFI POS Machine Power Bank

vapourd£18.343.9★87 rev

Newest

by launch date

300W Step-Down Power Supply voltage converter 220V/240V to 110V/120V(UK Plug) Smart and Efficient Temperature-Protected Adapter Suitable for WiFi POS Machines and Power Bank

Kutixth£17.545 rev

2mo ago

200W Step-Down Power Supply voltage converter 220V/240V to 110V/120V(UK Plug) Smart and Efficient Temperature-Protected Adapter Suitable for WiFi POS Machines and Power Bank

iPalamila£13.1040 rev

4mo ago

Aplsinvivi 220V/240V to 110V/120V Voltage Converter Step Down Power Transformer Voltage Converter US to UK(UK Plug) 200W Intelligent Efficient Travel Adapter

Aplsinvivi£16.4512 rev

7mo ago

US to UK Voltage Converter 200W: TVOOD Step Down Transformer 220V/240V to 110V/120V (UK Plug) Black Intelligent Efficient Temperature-Protected Adapter for Travel Hotel Household

TVOOD£16.543 rev

9mo ago

200W Voltage Converter US to UK: Lifegogo Step Down Transformer 220V/240V to 110V/120V (UK Plug) Black Smart and Efficient Temperature-Protected Adapter for WiFi POS Machines Shavers

Lifegogo£13.345 rev

9mo ago

What buyers say about 110v to 240v converter

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

What buyers love

Quality-Overall23%

“The item is well made”

Advertised Vs Actual Product17%

“works as advertised”

Value For Money13%

“A good value, functional product”

Ease Of Use9%

“Easy to use”

Efficiency6%

“works efficiently”

Weight Heavy6%

“its pretty weighty as well”

Strength4%

“Worked well, feels sturdy”

Charging4%

“mainly now just a battery charger which I like because it charges AAA batteries at just 45mA”

Durability3%

“The converter feels durable and sturdy, the plug connects into the mains socket with no issues”

Warmth3%

“It does get quite warm under usage though”

What buyers complain about

Functionality-Overall19%

“Burnt out after used 1time not up to the job”

Durability15%

“broke on first use”

Heating15%

“Ruined our bottle warmer”

Advertised Vs Actual Product10%

“Not outputting 100V as described”

Value For Money8%

“Just a little expensive compared to similar products available”

Quality-Overall8%

“The build quality feels average”

Socket/Port/Plug2%

“Broke on usage in USA with UK plug”

Weight Heavy2%

“Heavy weight”

Size-Overall1%

“but it's small”

Top return reasons

Functionality-Overall30%

Compatibility-Overall16%

Defective Material/Parts13%

Size-Overall8%

Heating5%

Socket/Port/Plug5%

Connectivity-Overall4%

Advertised Vs Actual Product3%

Weight Heavy3%