usb tester
Skip itA small market ($42K/yr) — this niche doesn't clear our bar today.
Returns
Great1.5%return rate — above 5% kills the launch gate
Review moat
Great399.77avg incumbent reviews — the moat a new listing must climb
Price range
Good£4.28–£39.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£12.90avg listing price — sweet spot $15–$100
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Brand share
Okay82%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
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.Top usb tester search terms
- usb tester23K/yr
- usb cable tester17K/yr
- usb power meter13K/yr
- usb c tester7K/yr
- usb c power meter5K/yr
- usb voltage meter5K/yr
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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£7.364.5★475 rev
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£36.894.6★142 rev
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£9.824.6★658 rev
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£13.324.5★3,257 rev
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£12.804.7★1,654 rev
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£8.147 rev
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£15.29139 rev
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£14.1145 rev
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£11.4013 rev
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£10.65176 rev
Trending
90-day click momentum
Hailege LCD USB Current Voltage Doctor Charger Capacity Tester Meter Power Bank
Hailege£5.314.6★
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£8.144.8★
Multibao USB Tester Voltmeter Ammeter Digital LCD Voltage Monitor Current Meter Capacity Tester with Backlight
Multibao£4.284.3★
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£8.474.7★
DollaTek FNB58 Digital Voltmeter Ammeter USB Tester TYPE-C Fast Charge Detection Trigger Capacity Measurement Ripple Measurement with bluetooth 4-28V Monitoring voltage
DollaTek£35.184.2★
What buyers say about usb tester
What buyers praise and complain about, mined from review topics.What buyers love
“Very handy”
“Works as advertised”
“The build quality, instructions and ease of use is truly awesome”
“the phones charged perfectly”
“Excellent value for money”
“Display is nice and clear”
“Excellent USB metering”
“has a good quality port on it”
“Works ok. Works well.”
“has a large number of functions”
What buyers complain about
“Does not read fast charging”
“This is the larger version so the font is bigger for older tired eyes”
“so will not get full functionality”
“expensive when some functionality does not work”
“does not work with Apple Macs”
“Not easy to use”
“but broke too easily”
“display partly dead, no use”
“cheap”
“Star deducted for instructions being very poor in English”
Top return reasons
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.