Power Supply Tester
FailThe top 5 products take 89% of clicks, so Power Supply Tester is a Fail.
- Flapen Score
- 39 / 100Ranks 5,506 of 8,347 Electronics niches · −4 vs the category median of 4339
- Market size
- $127K/yr80K searches / yr
- 90-day growth
- -13.7%search demand this quarter
- Competition
- 89%top-5 click share · 8 brands · 34 sellers
Flapen Score
Power Supply Tester against its category
The dotted line is the Electronics average. Past it, Power Supply Tester is stronger. Inside it, weaker.
Market
The Power Supply Tester market on Amazon at a glance
Shoppers on Amazon United States searched for Power Supply Tester 80K times last year and spent an estimated $127K. The top 5 brands take 89% of clicks. Flapen scores it 39 out of 100, a Fail.
01 · Demand
An estimated 9.2% of those searches ended in a purchase.
Shoppers searched for this 80K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 9.2% of those searches ended in a purchase. Searches in the last 90 days moved -13.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated $127K a year.
- Searches, last 12 months
- 80K
- Growth, 90 days vs prior 90
- -13.7%
- Conversion, latest week
- 9.2%
- Market size, estimated
- $127Ka year
- Peak month
- January1.3× the quietest month
- Top search term
- power supply tester32K searches a year
02 · Price
A sale here is worth $17.31.
Listings sell for $17.31 on average, from $10.02 to $43.10. Amazon reports units sold in ranges. This niche sold 6K to 8K a year. The average listing sells 750 to 1,000 of them. At $17.31 that is $13K to $17K a year per listing.
- Average price
- $17.31inside the $15 to $100 sweet spot
- Price range
- $10.02–$43.10
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 6K–8K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- $13K–$17K
- Returns
- 3.5%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
63% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #227 within Internal Components. It carries 423 reviews at 4.53 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 63%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #227in Internal Components
- Average rating
- 4.53 starsAmazon United States average 4.42 stars
- Average reviews
- 423per listing
- Listings tracked
- 8
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 45 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 45 months
Products
Top Power Supply Tester products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Computer PC Power Supply Tester ATX/ITX/IDE/HDD/SATA/BYI Connectors Power Supply Tester 1.8 LCD Screen (Aluminum Alloy Enclosure)
- Price
- $16.04
- Rating
- 4.5/5
- Reviews
- 1,860
- Age
- 8y ago

Thermaltake Dr. Power III ATX Power Supply Tester/Support up to ATX12V v3.1 with PCIe 12+4pin Connector/Voltage Output for +12V +5V +3.3V and +5Vsb AC-069-OO1NAN-A1
- Price
- $43.10
- Rating
- 4.8/5
- Reviews
- 179
- Age
- 2y ago

Kingwin Digital Power Supply Tester with LCD Screen Compatible with ATX ITX IDE HDD SATA and BTX Easy-to-Use Diagnostic Tool for PC Power Supply Testing (Aluminum)
- Price
- $16.74
- Rating
- 4.6/5
- Reviews
- 609
- Age
- 6y ago

Computer PC Power Supply Tester ATX Power Supply Host Inspection Maintenance Tool PSU Tester Detect with 20/24 Pin LCD Display for ATX BTX ITX TFX.
- Price
- $14.66
- Rating
- 4.4/5
- Reviews
- 105
- Age
- 6y ago

Comidox 1Pcs 20/24 Pin LCD Computer PC Power Supply Tester for ATX BTX ITX TFX SATA with Buzzer Automatic Alarm
- Price
- $10.05
- Rating
- 4.5/5
- Reviews
- 477
- Age
- 7y ago
Trending
estimated 90-day click momentum
ATX Power Supply Tester 20/24 4/6/8 Pin Computer Host Inspection and Maintenance Tester Tool with Buzzer and LCD Display for ATX ITX BTX PCI E SATA HDD
- Price
- $13.21
- Rating
- 4.3/5
- Reviews
- 78
- Age
- 4y ago

Cunyuer Computer Power Supply Tester 20/24 Pin Computer PC Power Supply Tester with LCD Display for ATX BTX ITX TFX
- Price
- $14.65
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 1y ago

Computer PC Power Supply Tester ATX Power Supply Host Inspection Maintenance Tool PSU Tester Detect with 20/24 Pin LCD Display for ATX BTX ITX TFX.
- Price
- $14.66
- Rating
- 4.4/5
- Reviews
- 105
- Age
- 6y ago

Thermaltake Dr. Power III ATX Power Supply Tester/Support up to ATX12V v3.1 with PCIe 12+4pin Connector/Voltage Output for +12V +5V +3.3V and +5Vsb AC-069-OO1NAN-A1
- Price
- $43.10
- Rating
- 4.8/5
- Reviews
- 179
- Age
- 2y ago

Computer PC Power Supply Tester ATX/ITX/IDE/HDD/SATA/BYI Connectors Power Supply Tester 1.8 LCD Screen (Aluminum Alloy Enclosure)
- Price
- $16.04
- Rating
- 4.5/5
- Reviews
- 1,860
- Age
- 8y ago
Newest
by launch date
Cunyuer Computer Power Supply Tester 20/24 Pin Computer PC Power Supply Tester with LCD Display for ATX BTX ITX TFX
- Price
- $14.65
- Rating
- 4.7/5
- Reviews
- 5
- Age
- 1y ago

Thermaltake Dr. Power III ATX Power Supply Tester/Support up to ATX12V v3.1 with PCIe 12+4pin Connector/Voltage Output for +12V +5V +3.3V and +5Vsb AC-069-OO1NAN-A1
- Price
- $43.10
- Rating
- 4.8/5
- Reviews
- 179
- Age
- 2y ago

PC Power Supply Diagnostic LCD Computer Testing Device Computer 20/24 4/6/8 Pin Supply Tester for SATA IDE HDD ATX ITX Byi Plug
- Price
- $10.02
- Rating
- 4.4/5
- Reviews
- 70
- Age
- 2y ago

ATX Power Supply Tester 20/24 4/6/8 Pin Computer Host Inspection and Maintenance Tester Tool with Buzzer and LCD Display for ATX ITX BTX PCI E SATA HDD
- Price
- $13.21
- Rating
- 4.3/5
- Reviews
- 78
- Age
- 4y ago

Computer PC Power Supply Tester ATX Power Supply Host Inspection Maintenance Tool PSU Tester Detect with 20/24 Pin LCD Display for ATX BTX ITX TFX.
- Price
- $14.66
- Rating
- 4.4/5
- Reviews
- 105
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 89% of clicks. A locked shelf that new listings rarely crack.
Brands
8 flat
Sellers
34
Est. top-5 brand share
89%
Top 20: 100%
Est. top-5 click share
89%
Top 20: 100%
Open market
6%
- Fuhengli38%
- Thermaltake19%
- Kingwin15%
- ASHATA9%
- Comidox8%
- Cunyuer5%
- Open — no brand owns it (2 brands, 6%)
Demand
Power Supply Tester search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Power Supply Tester search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- power supply tester32K/yr
- psu tester27K/yr
- pc power supply tester7K/yr
- computer power supply tester6K/yr
- atx power supply tester4K/yr
- psu tester pc3K/yr
Reviews and returns
What reviews say buyers love and hate about Power Supply Tester
We read the reviews and the return reasons for every product selling here.
“Not working, burn the PC power supply with first test”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Power Supply Tester questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









