---
title: "Voltage Tester Pen — £1.3M/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/voltage-tester-pen"
last_updated: "2026-07-31T15:07:06.501Z"
locale: en
meta:
description: "Niche score 57/100 · £1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 57/100 · £1.3M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Voltage Tester Pen — £1.3M/yr Amazon UK Niche (2026) - Flapen"
---
# **voltage tester pen**
**Worth a look**
Shows a sweet-spot price point ($49.36 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 83Growth 12Conversion 75Competition 57Returns 89Price range 40Avg price 93Brand share 37Review moat 31Quality gap 53
**Avg price**
**Great****£49.36**
avg listing price — sweet spot $15–$100
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Market size**
**Great****£1.3M**
£1.3M/yr · 380K searches
**Conversion**
**Great****7.1%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****51%**
top-5 click share — leaders hold, buyers still browse
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£4.84–£217.42**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,444.94**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-26.6%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, voltage tester pen is a £1.3M/yr Amazon United Kingdom market (380K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Nov. Verdict: Worth a look — 57/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **voltage tester pen market data**
- **Units sold / yr**
- **20K–25K**
- avg 750–1,000/product
- **Revenue / yr**
- **£987K–£1.2M**
- units × avg price
- **Conversion rate**
- **7.1%**
- **Avg BSR**
- **#75**
- **Page quality**
- **0%**
- **Prime**
- **90%**
- **Sponsored**
- **65%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **41 months**
- **Avg seller age**
- **164 days**
## **Competition & brand share**
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▲rising
**Sellers**
**78**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**51%**
Top 20: 87%
**Open market**
**13%**
- Fluke49% - KAIWEETS15% - Aicevoos7% - VENLAB7% - yowexa5% - C.K4% - Open — no brand owns it (8 brands, 13%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -26.6% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Prime Day '25Black Friday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.7×
[**Open Trend **](https://flapen.com/research/uk/diy-tools/voltage-tester-pen/trend)
## **Top voltage tester pen search terms**
- **fluke multimeter**84K/yr-29.5%1.3% conv. - **fluke**46K/yr-24.3%0.5% conv. - **voltage tester pen**42K/yr-19.8%8.6% conv. - **fluke voltage tester**31K/yr-29.3%4.3% conv. - **electric tester pen**22K/yr-27.5%8.0% conv. - **non contact voltage tester**22K/yr-33.0%6.4% conv. - **volt stick**17K/yr-25.6%8.1% conv. - **voltage pen**13K/yr+2.1%7.5% conv. - **volt pen**15K/yr-24.3%8.9% conv. - **fluke voltage tester pen**14K/yr-34.8%10.1% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/voltage-tester-pen/search-terms)
## **Top voltage tester pen 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%5%£66K10%£133K15%£199K20%£265K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Fluke 1AC II VoltAlert - Non-Contact Voltage Detector Pen CAT IV 1000V**Fluke**£21.96**4.5★15,146 rev](https://www.amazon.co.uk/dp/B000EJ332O) [2**KAIWEETS HT100 Voltage Tester Dual-Range 12V-1000V/48V 1000V Non-Contact Electrical Tester Voltage Sensitivity Electric Compact Pen with NCV LED Flashlight Buzzer Alarm Wire Breakpoint Finder**KAIWEETS**£8.47**4.5★16,181 rev](https://www.amazon.co.uk/dp/B07SL4NSS1) [3**Fluke 15B+ Digital Multimeter**Fluke**£97.74**4.7★68 rev](https://www.amazon.co.uk/dp/B0FQVB1H8V) [4**VENLAB Voltage Tester VD200 12V-1000V/48V-1000V Dual Range Non-Contact Electric Tester Sensitivity Electrical Voltage Pen Indicator light with NCV Flashlight Buzzer Alarm Wire Breakpoint Finder**VENLAB**£7.50**4.5★4,938 rev](https://www.amazon.co.uk/dp/B0B292F21Q) [5**YOWEXA Voltage Tester Pen Dual Range AC 12/48-1000V Non-Contact Electrical Tester with Sound Light Alarm LED Flashlight Low Battery Indicator & Auto Off**yowexa**£8.20**4.5★257 rev](https://www.amazon.co.uk/dp/B0FXWBFMNQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**YOWEXA Voltage Tester Pen Dual Range AC 12/48-1000V Non-Contact Electrical Tester with Sound Light Alarm LED Flashlight Low Battery Indicator & Auto Off**yowexa**£8.20**257 rev7mo ago](https://www.amazon.co.uk/dp/B0FXWBFMNQ) [**Fluke 15B+ Digital Multimeter**Fluke**£97.74**68 rev10mo ago](https://www.amazon.co.uk/dp/B0FQVB1H8V) [**Fluke 17B+ Digital Multimeter**Fluke**£125.91**49 rev10mo ago](https://www.amazon.co.uk/dp/B0FQV4TM9S) [**Non Contact Voltage Tester Pen 90-1000V AC Live Wire Detector with LED Flashlight & Audible Alarm Electric Voltage Test Pen for Sockets Cables & Circuits**21 Products**£14.24**107 rev2y ago](https://www.amazon.co.uk/dp/B0D4ZK88N6) [**Aicevoos A1 Voltage Tester/Non-Contact Voltage Tester with Range AC 12V-1000V/48V-1000V Live/Null Wire Tester Electrical Tester with Flashlight Buzzer Alarm Wire Breakpoint Finder (Orange)**Aicevoos**£6.65**1,673 rev3y ago](https://www.amazon.co.uk/dp/B0C3LPF8B8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Fluke 15B+ Digital Multimeter**Fluke**£97.74**4.7★**▲ 109%**](https://www.amazon.co.uk/dp/B0FQVB1H8V) [**FLUKE-302+/EUR**Fluke**£74.48**4.8★**▲ 99%**](https://www.amazon.co.uk/dp/B00JXF8OKG) [**YOWEXA Voltage Tester Pen Dual Range AC 12/48-1000V Non-Contact Electrical Tester with Sound Light Alarm LED Flashlight Low Battery Indicator & Auto Off**yowexa**£8.20**4.5★**▲ 98%**](https://www.amazon.co.uk/dp/B0FXWBFMNQ) [**Aicevoos A1 Voltage Tester/Non-Contact Voltage Tester with Range AC 12V-1000V/48V-1000V Live/Null Wire Tester Electrical Tester with Flashlight Buzzer Alarm Wire Breakpoint Finder (Orange)**Aicevoos**£6.65**4.5★**▲ 79%**](https://www.amazon.co.uk/dp/B0C3LPF8B8) [**C.K T2271A Non-Contact Voltage Detector with Visual Indicator Red**C.K**£9.60**4.3★**▲ 40%**](https://www.amazon.co.uk/dp/B00D084X2K)
**~~View all trending →~~**
## **What buyers say about voltage tester pen**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**24%
*“Easy to use”*
**Value For Money**20%
*“Well worth the money”*
**Advertised Vs Actual Product**13%
*“As advertised”*
**Quality-Overall**13%
*“Seems well made”*
**Efficiency**11%
*“Works as expected”*
**Functionality-Overall**4%
*“Good item thats seems to work”*
**Safety Standards**2%
*“Been wanting one of these for a while and its brilliant, saves a lot of time, and makes things safer”*
**Portability**1%
*“easy to carry”*
**Instructions/User Manual/Troubleshooting**1%
*“Clear instructions to do the job it supposed to”*
**Brightness/Shine/Glow**1%
*“the lights are bright”*
### **What buyers complain about **
**Quality-Overall**20%
*“Very poor quality”*
**Functionality-Overall**18%
*“Stopped working”*
**Value For Money**8%
*“Very low budget item”*
**Durability**5%
*“Breaks easily”*
**Battery Life**5%
*“Battery life also wasnt great”*
**Touch/Button Controls**5%
*“Dismantled the product to find the button wasnt seated correctly which I corrected”*
**Instructions/User Manual/Troubleshooting**4%
*“no instructions with it”*
**Defective Material/Parts**4%
*“But unfortunately I must have been sent a faulty product”*
**Material Quality**4%
*“The plastics feel cheap and almost toy-like, defintely not robust”*
**Size-Overall**3%
*“Not fit for purpose”*
### **Top return reasons **
**Functionality-Overall**44%
**Defective Material/Parts**16%
**Compatibility-Overall**5%
**Quality-Overall**4%
**Touch/Button Controls**4%
**Value For Money**3%
**Advertised Vs Actual Product**3%
**Product Condition**3%
**Battery Life**3%
**Instructions/User Manual/Troubleshooting**2%
## **Common questions**
- **Is voltage tester pen profitable to sell on Amazon United Kingdom?**
- The niche generates £1.3M/yr across 31 tracked products. 3 of 5 products launched in the last 360 days are still selling. 90-day search growth is -26.6%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the voltage tester pen niche?**
- 14 brands and 78 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in voltage tester pen?**
- Top complaints mined from reviews: Quality-Overall, Functionality-Overall, Value For Money. The return rate is 1.3%.
- **When does demand for voltage tester pen peak?**
- Demand peaks in Nov; the busiest month runs 1.7× the quietest.
- **What does it cost to enter the voltage tester pen niche?**
- Listings span £4.84–£217.42; the average listing price is £49.36 (sweet spot $15–$100). The average incumbent carries 3,445 reviews — the moat a new listing must climb.
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