Is voltage converter profitable to sell on Amazon United Kingdom?

The niche generates £112K/yr across 33 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -14.0%. Flapen's verdict: Worth a look (59/100).

How competitive is the voltage converter niche?

30 brands and 65 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 49% of demand.

What do buyers complain about in voltage converter?

Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 1.3%.

When does demand for voltage converter peak?

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

What does it cost to enter the voltage converter niche?

Listings span £7.65–£68.37; the average listing price is £24.43 (sweet spot $15–$100). The average incumbent carries 395 reviews — the moat a new listing must climb.

voltage converter

Worth a look

Shows a sweet-spot price point ($24.43 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Avg price

Incredible£24.43

avg listing price — sweet spot $15–$100

Returns

Great1.3%

return rate — above 5% kills the launch gate

Brand share

Great49%

top-5 brand share — no brand owns this niche

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Price range

Great£7.65–£68.37

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

Review moat

Great394.94

avg incumbent reviews — the moat a new listing must climb

Competition

Good46%

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

Conversion

Okay2.8%

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

Market size

Okay£112K

£112K/yr · 165K searches

Growth

Bad-14.0%

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

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, voltage converter is a £112K/yr Amazon United Kingdom market (165K searches/yr). The top 5 brands hold 49% of demand. Verdict: Worth a look — 59/100.

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

voltage converter market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: £98K–£122K; units × avg price
Conversion rate: 2.8%
Avg BSR: #86
Page quality: 0%
Prime: 94%
Sponsored: 88%
Out of stock: 6.9%
Avg brand age: 40 months
Avg seller age: 194 days

Competition & brand share

The top 5 products take 46% of clicks — established leaders, but buyers still shop beyond them.

Brands

30 rising

Sellers

Top-5 brand share

49%

Top 20: 91%

Top-5 click share

46%

Top 20: 88%

Open market

46%

Cantonape16%
iPalamila11%
Mercury9%
vapourd7%
AYNEFY5%
Kutixth5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -14.0% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top voltage converter search terms

voltage converter26K/yr -30.7%0.7% conv.
voltage converter uk to usa15K/yr -8.6%1.1% conv.
step down transformer 240v to 110v14K/yr -12.6%3.3% conv.
us to uk voltage converter13K/yr +3.5%3.5% conv.
step up voltage converter14K/yr -39.5%0.6% conv.
step down transformer10K/yr -2.4%1.5% conv.
240v to 110v transformer10K/yr -16.1%2.5% 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.

All search terms

Top voltage 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

AYNEFY Voltage Converter 100W Step Up/Down Power Transformer AC100-120V 50/60Hz to AC220-240V 100W with USB Port for Hair Dryer Straightener Iron Charger Travel Use

AYNEFY£17.863.2★8 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

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 voltage converter

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

What buyers love

Portability16%

“Very handy”

Charging15%

“Charges quickly”

Quality-Overall15%

“Excellent Product”

Ease Of Use8%

“Easy to use”

Socket/Port/Plug8%

“I love the plug functionality and USB ports”

Value For Money7%

“Worth buying”

Advertised Vs Actual Product7%

“works as advertised”

Strength3%

“Not flimsy at all”

Compactness2%

“Nice compact adapter”

Compatibility-Overall2%

“Compatible with most countries”

What buyers complain about

Durability18%

“Broke easily”

Functionality-Overall10%

“Worst it doesn't work more than 1day”

Quality-Overall8%

“It feels cheaply made”

Charging8%

“not a fast charger as mentioned”

Heating5%

“This device overheats and stops working”

Socket/Port/Plug5%

“doesn't stay in the socket”

Weight Heavy5%

“Obviously a little bulky”

Size-Overall4%

“Doesnt fit all types of plugs”

Value For Money4%

“Just a little expensive compared to similar products available”

Compatibility-Overall3%

“Does not work with Indian made appliance which has a 3 round pin plug”

Top return reasons

Functionality-Overall21%

Compatibility-Overall17%

Defective Material/Parts11%

Socket/Port/Plug10%

Charging9%

Size-Overall7%

Advertised Vs Actual Product3%

Quality-Overall3%

Heating3%

Connectivity-Overall3%

Common questions

Is voltage converter profitable to sell on Amazon United Kingdom?: The niche generates £112K/yr across 33 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -14.0%. Flapen's verdict: Worth a look (59/100).
How competitive is the voltage converter niche?: 30 brands and 65 sellers compete. The top 5 products take 46% of clicks and top 5 brands hold 49% of demand.
What do buyers complain about in voltage converter?: Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 1.3%.
When does demand for voltage converter peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the voltage converter niche?: Listings span £7.65–£68.37; the average listing price is £24.43 (sweet spot $15–$100). The average incumbent carries 395 reviews — the moat a new listing must climb.