---
title: "Universal Power Supply — $69K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/universal-power-supply"
last_updated: "2026-08-11T08:13:30.607Z"
locale: en
meta:
description: "Niche score 35/100 · $69K/yr market · 61K searches/yr · $14.81 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $69K/yr market · 61K searches/yr · $14.81 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Universal Power Supply — $69K/yr Amazon US Niche (2026) - Flapen"
---
# **universal power supply**
**Skip it**
A small market ($69K/yr) — this niche doesn't clear our bar today.
Market size 17Growth 18Conversion 77Competition 24Returns 27Price range 47Avg price 73Brand share 21Review moat 33Quality gap 60
**Conversion**
**Great****7.6%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.81**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****$11.46–$18.17**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Okay****3,161.43**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****4.9%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****71%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****92%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-13.5%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$69K**
$69K/yr · 61K searches
According to Flapen's Amazon United States niche tracking, universal power supply is a $69K/yr Amazon United States market (61K searches/yr). The top 5 brands hold 92% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 35/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **universal power supply market data**
- **Units sold / yr**
- **4K–5K**
- avg 100–250/product
- **Revenue / yr**
- **$59K–$74K**
- units × avg price
- **Conversion rate**
- **7.6%**
- **Avg BSR**
- **#46**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **43 months**
- **Avg seller age**
- **192 days**
## **Competition & brand share**
The top 5 products capture 71% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**8 **▼falling
**Sellers**
**11**
**Top-5 brand share**
**92%**
Top 20: 100%
**Top-5 click share**
**71%**
Top 20: 100%
**Open market**
**5%**
- Wefomey37% - SoulBay20% - ALITOVE15% - Belker12% - SHNITPWR8% - minidodoca3% - Open — no brand owns it (2 brands, 5%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -13.5% search growth over the last 90 days.
3K2KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.2×
[**Open Trend **](https://flapen.com/research/us/electronics/universal-power-supply/trend)
## **Top universal power supply search terms**
- **universal ac adapter**27K/yr+4.3%4.4% conv. - **universal dc power adapter**8K/yr-10.3%6.3% conv. - **multi voltage power supply**5K/yr-13.4%3.7% conv. - **multi voltage power adapter**6K/yr-9.7%5.7% conv. - **universal ac dc adapter charger**3K/yr-63.3%2.4% conv. - **universal dc power supply**3K/yr-13.3%5.4% conv. - **multi power adapter**3K/yr-12.0%3.5% conv. - **universal ac dc adapter**3K/yr-17.8%3.0% conv. - **universal dc adapter**3K/yr-8.8%2.0% conv. [**All search terms **](https://flapen.com/research/us/electronics/universal-power-supply/search-terms)
## **Top universal power supply 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%10%$7K20%$14K30%$21K40%$28K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger 100V-240V AC to DC Converter with 14 Tips Polarity Converter and 4-Way Power Splitter Cable**Wefomey**$18.02**4.5★613 rev](https://www.amazon.com/dp/B0DMSDX732) [2**ALITOVE 30W Universal Power Adapter Adjustable AC Adapter 100-240V 50-60Hz to DC 3V 4.5V 5V 6V 7.5V 9V 12V 2.5A Max Variable Power Supply 3V~12V 0.5A 1A 1.5A 2A with 5V 2.1A USB Port 14Tips 4.9FT Cord**ALITOVE**$15.42**4.3★546 rev](https://www.amazon.com/dp/B07QX4J9VY) [3**SHNITPWR 3V ~ 24V 3A 72W Power Supply Adjustable DC 3V 5V 6V 9V 12V 15V 16V 18V 19V 20V 24V Variable Universal AC/DC Adapter 100V-240V AC to DC Converter with 14 Tips 5.5x2.5mm 4.0x1.7mm 3.5x1.35mm**SHNITPWR**$17.72**4.4★3,143 rev](https://www.amazon.com/dp/B08BL4QMGM) [4**SoulBay 12V Power Supply Universal AC DC Adapter Charger with Adjustable Output 5V 9V 3V 6V 4.5V 7.5V 12 Volt 1A 1.5A 2A for LED Strip Light CCTV Camera BT Speaker GPS Webcam Router 5 FT Cord 30W**SoulBay**$15.69**4.2★13,526 rev](https://www.amazon.com/dp/B01N7RS0NG) [5**Belker 12W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply with 8 Interchangeable Tips for Household Electronics - Max. 1000mA**Belker**$11.46**4.4★2,979 rev](https://www.amazon.com/dp/B07P95QP9Y)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger 100V-240V AC to DC Converter with 14 Tips Polarity Converter and 4-Way Power Splitter Cable**Wefomey**$18.02**613 rev1y ago](https://www.amazon.com/dp/B0DMSDX732) [**SoulBay Universal AC DC Power Supply Adapter 72W 3V to 24V Output with Adjustable Voltage & Volt Display for Household Electronics 14pcs Tips & 1pc Reverse Polarity Cable Included 3000mA Max**SoulBay**$18.17**162 rev3y ago](https://www.amazon.com/dp/B0C6MGSCT5) [**72W Power Supply Adjustable 3V ~ 24V Variable Universal Switching AC/DC Adapter Minidodoca AC to DC Converter with LED Voltage Display and 16 Tips for 3V to 24V Household Electronics - 3000mA Max**minidodoca**$15.92**547 rev3y ago](https://www.amazon.com/dp/B0C5QG946M) [**Arkare 30W Universal AC to DC Power Adapter Adjustable Power Supply 3V 4.5V 6V 9V 12V 2A 1A DC Adapter AC 100-240V to DC 3-12V Multi Voltage Switching Power Adapter with 15 Tips + Polarity Converter**Arkare**$13.02**454 rev4y ago](https://www.amazon.com/dp/B09WMS6K9C) [![SoulBay [Reverse Polarity] 30W Universal AC DC Adapter Switching Power Supply Selectable Voltage with 9 Tips for 3V 4.5V 5V 6V 7.5V 9V 12V Household Electronics 2000mA 2Amps Output Max](https://m.media-amazon.com/images/I/51nBVeVumtL.jpg)**SoulBay \[Reverse Polarity\] 30W Universal AC DC Adapter Switching Power Supply Selectable Voltage with 9 Tips for 3V 4.5V 5V 6V 7.5V 9V 12V Household Electronics 2000mA 2Amps Output Max**SoulBay**$15.86**386 rev5y ago](https://www.amazon.com/dp/B08SQ8NZ21)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[![Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics Micro USB - 1A Max. [BN]](https://m.media-amazon.com/images/I/41afVTvCt+L.jpg)**Belker 12W 3V 4.5V 5V 6V 7.5V 9V 12V Adjustable Voltage Universal AC/DC Adapter Power Supply for Household Electronics Micro USB - 1A Max. \[BN\]**Belker**$13.69**4.4★**▲ 68%**](https://www.amazon.com/dp/B07NKZCWT1) [**ALITOVE 30W Universal Power Adapter Adjustable AC Adapter 100-240V 50-60Hz to DC 3V 4.5V 5V 6V 7.5V 9V 12V 2.5A Max Variable Power Supply 3V~12V 0.5A 1A 1.5A 2A with 5V 2.1A USB Port 14Tips 4.9FT Cord**ALITOVE**$15.42**4.3★**▲ 59%**](https://www.amazon.com/dp/B07QX4J9VY) [![Belker 12W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for Household Electronics Mp3 Routers TV Boxes LCD Tablets CCTV IP Cameras Max. 1000mA [BB]](https://m.media-amazon.com/images/I/41r0FtXDLPL.jpg)**Belker 12W Universal 3V 4.5V 5V 6V 7.5V 9V 12V AC DC Adapter Power Supply for Household Electronics Mp3 Routers TV Boxes LCD Tablets CCTV IP Cameras Max. 1000mA \[BB\]**Belker**$11.56**4.6★**▲ 38%**](https://www.amazon.com/dp/B0CR6F4NTR) [**Universal Power Supply 3V~24V 3A 72W Adjustable Variable 3V 5V 9V 12V 18V 20V 24V AC/DC Adapter Charger 100V-240V AC to DC Converter with 14 Tips Polarity Converter and 4-Way Power Splitter Cable**Wefomey**$18.02**4.5★**▲ 18%**](https://www.amazon.com/dp/B0DMSDX732) [**72W Power Supply Adjustable 3V ~ 24V Variable Universal Switching AC/DC Adapter Minidodoca AC to DC Converter with LED Voltage Display and 16 Tips for 3V to 24V Household Electronics - 3000mA Max**minidodoca**$15.92**4.4★**— 5%**](https://www.amazon.com/dp/B0C5QG946M)
**~~View all trending →~~**
## **What buyers say about universal power supply**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**15%
*“As advertised”*
**Charging**14%
*“Good charger”*
**Quality-Overall**13%
*“It seems to be well-made”*
**Value For Money**7%
*“affordable option yet works well”*
**Ease Of Use**7%
*“Easy to use”*
**Functionality-Overall**6%
*“works well”*
**Socket/Port/Plug**5%
*“the USB plugs are a handy addition”*
**Size-Overall**5%
*“Correct size”*
**Efficiency**4%
*“Works great”*
**Battery Life**4%
*“Finally a clever charger for all those batteries built into products we use occasionally as needed”*
### **What buyers complain about **
**Functionality-Overall**19%
*“Does not work as advertised”*
**Quality-Overall**11%
*“The build quality seems very poor”*
**Compatibility-Overall**9%
*“it's wasn't compatible”*
**Durability**8%
*“Failed after 4 months”*
**Charging**8%
*“It does not charge one single item”*
**Size-Overall**6%
*“The size doesn't fit”*
**Connectivity-Overall**4%
*“ruin your item connected”*
**Instructions/User Manual/Troubleshooting**3%
*“AND there were no instructions included”*
**Touch/Button Controls**2%
*“The knob can barely be touch”*
**Product Condition**2%
*“It really looks a used returned item”*
### **Top return reasons **
**Compatibility-Overall**32%
**Size-Overall**22%
**Functionality-Overall**14%
**Charging**12%
**Defective Material/Parts**4%
**Connectivity-Overall**3%
**Advertised Vs Actual Product**2%
**Socket/Port/Plug**2%
**Value For Money**1%
**Add-Ons/Attachments**1%
## **Common questions**
- **Is universal power supply profitable to sell on Amazon United States?**
- The niche generates $69K/yr across 14 tracked products. 90-day search growth is -13.5%. Flapen's verdict: Skip it (35/100).
- **How competitive is the universal power supply niche?**
- 8 brands and 11 sellers compete. The top 5 products take 71% of clicks and top 5 brands hold 92% of demand.
- **What do buyers complain about in universal power supply?**
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Compatibility-Overall. The return rate is 4.9%.
- **When does demand for universal power supply peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.2× the quietest.
- **What does it cost to enter the universal power supply niche?**
- Listings span $11.46–$18.17; the average listing price is $14.81 (sweet spot $15–$100). The average incumbent carries 3,161 reviews — the moat a new listing must climb.
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