---
title: "Usb Tester — £42K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/diy-tools/usb-tester"
last_updated: "2026-07-31T08:32:08.083Z"
locale: en
meta:
description: "Niche score 45/100 · £42K/yr market · 69K searches/yr · £12.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 45/100 · £42K/yr market · 69K searches/yr · £12.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Usb Tester — £42K/yr Amazon UK Niche (2026) - Flapen"
---
# **usb tester**
**Skip it**
A small market ($42K/yr) — this niche doesn't clear our bar today.
Market size 11Growth 14Conversion 56Competition 52Returns 84Price range 69Avg price 58Brand share 39Review moat 80Quality gap 53
**Returns**
**Great****1.5%**
return rate — above 5% kills the launch gate
**Review moat**
**Great****399.77**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Good****£4.28–£39.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****£12.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****4.7%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Competition**
**Good****54%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-22.4%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****£42K**
£42K/yr · 69K searches
According to Flapen's Amazon United Kingdom niche tracking, usb tester is a £42K/yr Amazon United Kingdom market (69K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 45/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **usb tester market data**
- **Units sold / yr**
- **3K–4K**
- avg 0–100/product
- **Revenue / yr**
- **£39K–£52K**
- units × avg price
- **Conversion rate**
- **4.7%**
- **Avg BSR**
- **#404**
- **Page quality**
- **0%**
- **Prime**
- **97%**
- **Sponsored**
- **90%**
- **Out of stock**
- **3.5%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **219 days**
## **Competition & brand share**
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**19 **—flat
**Sellers**
**26**
**Top-5 brand share**
**82%**
Top 20: 100%
**Top-5 click share**
**54%**
Top 20: 92%
**Open market**
**16%**
- YEREADW28% - Treedix27% - YOJOCK13% - diymore10% - Voktta3% - Aideepen3% - Open — no brand owns it (13 brands, 16%)
## **Demand**
Weekly Amazon search volume, last 25 weeks — -22.4% search growth over the last 90 days.
2K2KFeb '26Mar '26Mar '26Apr '26May '26Jun '26
[**Open Trend **](https://flapen.com/research/uk/diy-tools/usb-tester/trend)
## **Top usb tester search terms**
- **usb tester**23K/yr-28.9%3.6% conv. - **usb cable tester**17K/yr-31.5%3.8% conv. - **usb power meter**13K/yr-5.7%5.1% conv. - **usb c tester**7K/yr-7.5%4.5% conv. - **usb c power meter**5K/yr-17.0%7.9% conv. - **usb voltage meter**5K/yr-17.9%4.9% conv. [**All search terms **](https://flapen.com/research/uk/diy-tools/usb-tester/search-terms)
## **Top usb 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.
0%4%£2K8%£3K12%£5K16%£7K1101001K10K 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**YEREADW USB C Tester Power Meter 4-30V 0-6.5A Voltage and Current Tester Meter USB Capacity Temperature Working Time Ammeter Voltmeter Power Bank Charger Detector (USB C Tester)**YEREADW**£7.36**4.5★475 rev](https://www.amazon.co.uk/dp/B0DF2KFDC8) [2**Treedix USB Cable Tester 2.4-inch Color Display Screen USB C Cable Tester USB Tester Support Cable Testing Resistor Testing Type-C eMarker for Micro-B 2.0 Micro-B 3.0 Type-C Lightning Mini-B**Treedix**£36.89**4.6★142 rev](https://www.amazon.co.uk/dp/B0DYJ4T37X) [3**YEREADW USB C Tester Power Meter 4-30V 0-12A Type-C PD Tester Digital Multimeter Voltage and Current Tester Meter Voltmeter Power Bank Capacity USB Cable Charger Detector (KWS-2303C)**YEREADW**£9.82**4.6★658 rev](https://www.amazon.co.uk/dp/B0DFBSFL38) [4**YOJOCK USB C Tester USB Power Meter 2 in 1 Digital Multimeter 3.6-32V 0-8.0A Voltage and Current Tester Meter Type C USB 3.0 Voltmeter Battery Capacity Volt Ammeter Power Bank Charger Detector**YOJOCK**£13.32**4.5★3,257 rev](https://www.amazon.co.uk/dp/B09T3KHBFL) [5**Treedix USB Cable Tester USB C Cable Tester Usb Data Cable Checker Board for USB-C USB-A USB-B Micro Mini Lightning Cables Quickly Sort Out the Heap of Usb Cables by Checking the Leds**Treedix**£12.80**4.7★1,654 rev](https://www.amazon.co.uk/dp/B0CDP7SJZ1)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**240W USB C Tester Power Meter 4-30V 0-12A Type-C PD Digital Multimeter Voltage and Current Tester for Power Banks USB Charger Detector**Yelvornic**£8.14**7 rev6mo ago](https://www.amazon.co.uk/dp/B0GCMDZFVS) [**diymore USB Tester Meter Power Meter Voltmeter 1.77 inch TFT Screen Type C Digital Multimeter Voltage and Current Tester QC/PD Protocol Fast Charging Tester**diymore**£15.29**139 rev10mo ago](https://www.amazon.co.uk/dp/B0FPVVRYK6) [**Treedix USB Cable Tester USB C Cable Tester Wire Fast Detection for Type-C USB-A 3.0 Micro-B 3.0 Micro-B 2.0 Mini-B 2.0 and for Lightning Cables by Checking The LEDs**Treedix**£14.11**45 rev1y ago](https://www.amazon.co.uk/dp/B0FHHJH6YG) [**USB Tester USB C Tester Power Meter 2 in 1 3.6-32V 0-5.1A Current Testers Meter Voltmeter Voltage Capacity Testers Battery Capacity Ammeter Data Line Mobile Power Charger Detector (Black)**Dongnesi**£11.40**13 rev1y ago](https://www.amazon.co.uk/dp/B0FGDJKFHQ) [**240W USB-C Adapter Power Meter Tester 2-Pack Voltage Current LED Digital Display 80 Gbps Type C Male-Female Extension Connector for iPhone 15/16 MacBook iPad & More**PonJel**£10.65**176 rev1y ago](https://www.amazon.co.uk/dp/B0FC6DSMKT)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Hailege LCD USB Current Voltage Doctor Charger Capacity Tester Meter Power Bank**Hailege**£5.31**4.6★**▲ 197%**](https://www.amazon.co.uk/dp/B07YDFGXT4) [**240W USB C Tester Power Meter 4-30V 0-12A Type-C PD Digital Multimeter Voltage and Current Tester for Power Banks USB Charger Detector**Yelvornic**£8.14**4.8★**▲ 95%**](https://www.amazon.co.uk/dp/B0GCMDZFVS) [**Multibao USB Tester Voltmeter Ammeter Digital LCD Voltage Monitor Current Meter Capacity Tester with Backlight**Multibao**£4.28**4.3★**▲ 66%**](https://www.amazon.co.uk/dp/B095JWM1ST) [**Voktta USB C Tester Meter 4-30V 0-12A USB C Meter with 1.06IN Multifunctional Colorful Digital Display USB Power Meter Capacity Voltage Current Working Time Detector**Voktta**£8.47**4.7★**▲ 58%**](https://www.amazon.co.uk/dp/B0DCBCFWH7) [**DollaTek FNB58 Digital Voltmeter Ammeter USB Tester TYPE-C Fast Charge Detection Trigger Capacity Measurement Ripple Measurement with bluetooth 4-28V Monitoring voltage**DollaTek**£35.18**4.2★**▲ 56%**](https://www.amazon.co.uk/dp/B0BVQSGTBD)
**~~View all trending →~~**
## **What buyers say about usb tester**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Ease Of Use**20%
*“Very handy”*
**Advertised Vs Actual Product**11%
*“Works as advertised”*
**Quality-Overall**10%
*“The build quality, instructions and ease of use is truly awesome”*
**Charging**8%
*“the phones charged perfectly”*
**Value For Money**8%
*“Excellent value for money”*
**Display-Overall**6%
*“Display is nice and clear”*
**Socket/Port/Plug**5%
*“Excellent USB metering”*
**Portability**5%
*“has a good quality port on it”*
**Efficiency**4%
*“Works ok. Works well.”*
**Functionality-Overall**2%
*“has a large number of functions”*
### **What buyers complain about **
**Charging**14%
*“Does not read fast charging”*
**Size-Overall**9%
*“This is the larger version so the font is bigger for older tired eyes”*
**Functionality-Overall**8%
*“so will not get full functionality”*
**Value For Money**6%
*“expensive when some functionality does not work”*
**Compatibility-Overall**6%
*“does not work with Apple Macs”*
**Ease Of Use**6%
*“Not easy to use”*
**Durability**5%
*“but broke too easily”*
**Display-Overall**5%
*“display partly dead, no use”*
**Quality-Overall**3%
*“cheap”*
**Instructions/User Manual/Troubleshooting**3%
*“Star deducted for instructions being very poor in English”*
### **Top return reasons **
**Functionality-Overall**29%
**Display-Overall**10%
**Compatibility-Overall**9%
**Defective Material/Parts**7%
**Quality-Overall**5%
**Charging**5%
**Advertised Vs Actual Product**5%
**Socket/Port/Plug**5%
**Connectivity-Overall**4%
**Ease Of Use**3%
## **Common questions**
- **Is usb tester profitable to sell on Amazon United Kingdom?**
- The niche generates £42K/yr across 30 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -22.4%. Flapen's verdict: Skip it (45/100).
- **How competitive is the usb tester niche?**
- 19 brands and 26 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 82% of demand.
- **What do buyers complain about in usb tester?**
- Top complaints mined from reviews: Charging, Size-Overall, Functionality-Overall. The return rate is 1.5%.
- **What does it cost to enter the usb tester niche?**
- Listings span £4.28–£39.27; the average listing price is £12.90 (sweet spot $15–$100). The average incumbent carries 400 reviews — the moat a new listing must climb.
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