Is socket tester profitable to sell on Amazon United Kingdom?

The niche generates £224K/yr across 26 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -18.5%. Flapen's verdict: Worth a look (58/100).

How competitive is the socket tester niche?

21 brands and 38 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 58% of demand.

What do buyers complain about in socket tester?

Top complaints mined from reviews: Quality-Overall, Durability, Socket/Port/Plug. The return rate is 1.2%.

When does demand for socket tester peak?

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

What does it cost to enter the socket tester niche?

Listings span £5.46–£54.91; the average listing price is £14.28 (sweet spot $15–$100). The average incumbent carries 487 reviews — the moat a new listing must climb.

socket tester

Worth a look

Shows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Conversion

Great8.8%

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

Price range

Great£5.46–£54.91

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

Brand share

Great58%

top-5 brand share — no brand owns this niche

Review moat

Great487.27

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£14.28

avg listing price — sweet spot $15–$100

Competition

Good52%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay£224K

£224K/yr · 179K searches

Growth

Bad-18.5%

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, socket tester is a £224K/yr Amazon United Kingdom market (179K searches/yr). The top 5 brands hold 58% of demand. Verdict: Worth a look — 58/100.

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

socket tester market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: £214K–£286K; units × avg price
Conversion rate: 8.8%
Avg BSR: #45
Page quality: 0%
Prime: 100%
Sponsored: 81%
Out of stock: 0.0%
Avg brand age: 48 months
Avg seller age: 180 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

21 rising

Sellers

Top-5 brand share

58%

Top 20: 99%

Top-5 click share

52%

Top 20: 93%

Open market

35%

YEREADW19%
Martindale15%
Kewtech11%
Miiqxx7%
QUIWILL7%
KAIWEETS6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top socket tester search terms

socket tester100K/yr -16.8%7.9% conv.
socket tester uk24K/yr -24.5%9.0% conv.
plug tester13K/yr -9.8%8.3% conv.
martindale socket tester9K/yr -4.5%7.7% conv.
plug socket tester13K/yr -30.9%8.0% conv.
plug tester socket uk8K/yr -16.7%10.3% conv.
rcd tester4K/yr -26.8%3.9% conv.
electric socket tester uk plug4K/yr -26.9%9.6% conv.
electrical socket tester3K/yr -30.2%9.3% conv.

All search terms

Top socket tester 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

Socket Tester RCD Plug Outlet Tester UK Electrical Receptacle Detector with LCD Display 90-250V Power Socket Automatic Electric Circuit Polarity Breaker Finder (HT107E)

YEREADW£11.184.6★232 rev

Martindale BZ101 (Buzz-It) 240V Socket Tester with Audible Buzzer

Martindale£14.284.7★665 rev

Kewtech KEWCHECK103 Mains Wiring Socket Tester

Kewtech£12.034.6★2,380 rev

Socket Tester UK Rcd GFCI Plug Socket Tester with LCD Display 220-250v Circuit Polarity Voltage Detector Plug Tester Soc ket UK Electric Soc ket Tester UK Plug for Power Plug Wiring Detection

Miiqxx£7.404.5★34 rev

KAIWEETS HT106E Socket Tester UK RCD Plug Socket Tester Electrical Voltage Tester with LCD Display for Neutral/Live/EarthWire/RCD Testing CAT II 300V Includes 7 Visual Indications and Wiring Legend

KAIWEETS£9.184.6★1,691 rev

Newest

by launch date

Socket Tester UK 220-250V Electrical Plug Tester Socket with LCD Indicator Circuit Tester for Plug Socket Testing for Detecting Polarity Faults and Wiring Issues in Home Office

Xiangbhalla£7.063 rev

4mo ago

UK Socket Tester RCD GFCI 220-250V LCD Display Plug Socket Tester Circuit Polarity Checker With LCD Display For Mains Power Plug Wiring Safety Detection.Extra Equipped With A Test Pen.

Plumaire£6.824 rev

4mo ago

Socket Tester UK 220-250V Circuit Polarity Voltage Detector with LCD Display RCD GFCI Function Portable Automatic Mains Outlet Wiring Leakage Current Tester for Fault Detection Power Polarity Testing

oibek£6.909 rev

6mo ago

Socket Tester UK 220-250V Plug Tester with LCD Display Portable Automatic RCD GFCI Sockets Outlet Testers Circuit Polarity Voltage Detector for Power Plug Wiring Detection Leakage Current Testing

kcrnw£7.265 rev

7mo ago

Socket Tester UK Rcd GFCI Plug Socket Tester with LCD Display 220-250v Circuit Polarity Voltage Detector Plug Tester Soc ket UK Electric Soc ket Tester UK Plug for Power Plug Wiring Detection

Miiqxx£7.4034 rev

10mo ago

What buyers say about socket tester

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

What buyers love

Ease Of Use20%

“Easy to Use”

Quality-Overall18%

“well made product”

Value For Money18%

“Good Value For Money”

Advertised Vs Actual Product17%

“works just how advertised”

Efficiency7%

“Does the job nicely”

Socket/Port/Plug6%

“Great socket tester”

Durability2%

“Its bery reliable”

Safety Standards2%

“Excellent device for home electrical safety Im an electrician for 40 years”

Functionality-Overall1%

“Test function good”

Design-Overall1%

“Does exactly what it's made and designed for”

What buyers complain about

Quality-Overall22%

“the overall build quality feels fairly poor”

Durability17%

“failed after exactly a year”

Socket/Port/Plug11%

“Found a problem with my socket straight away”

Functionality-Overall7%

“Not doing any thing”

Display-Overall7%

“the lcd window is not very bright”

Value For Money7%

“Small price”

Connectivity-Overall6%

“Brilliant tester, identified the exact problem with the mains connection in a 3-pin wall point”

Measurement/Reading Accuracy4%

“Worked fine, clearly shows socket condition BUT beware, dropped the tester from a relatively low height onto concrete floor and it failed initially giving false readings then packed in completely”

Brightness/Shine/Glow2%

“still is not bright enough”

Design-Overall2%

“Not the best built”

Top return reasons

Functionality-Overall27%

Advertised Vs Actual Product17%

Defective Material/Parts10%

Quality-Overall8%

Socket/Port/Plug6%

Compatibility-Overall5%

Durability4%

Product Condition3%

Connectivity-Overall3%

Display-Overall3%

Common questions

Is socket tester profitable to sell on Amazon United Kingdom?: The niche generates £224K/yr across 26 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -18.5%. Flapen's verdict: Worth a look (58/100).
How competitive is the socket tester niche?: 21 brands and 38 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 58% of demand.
What do buyers complain about in socket tester?: Top complaints mined from reviews: Quality-Overall, Durability, Socket/Port/Plug. The return rate is 1.2%.
When does demand for socket tester peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the socket tester niche?: Listings span £5.46–£54.91; the average listing price is £14.28 (sweet spot $15–$100). The average incumbent carries 487 reviews — the moat a new listing must climb.