6v power supply
Skip itSoft demand (-7.8% this quarter) — this niche doesn't clear our bar today.
Conversion
Great10.7%search→purchase rate — share of searches ending in a sale
Review moat
Good831.89avg incumbent reviews — the moat a new listing must climb
Brand share
Good71%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Avg price
Okay$10.16avg listing price — sweet spot $15–$100
Competition
Okay65%top-5 click share — leaders hold, buyers still browse
Returns
Okay4.5%return rate — above 5% kills the launch gate
Market size
Okay$118K$118K/yr · 109K searches
Price range
Bad$5.12–$18.02cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-7.8%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 6v power supply is a $118K/yr Amazon United States market (109K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 40/100.
Data updated Jul 22, 2026 · scored weekly · How we score niches
6v power supply market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- $127K–$152K
- units × avg price
- Conversion rate
- 10.7%
- Avg BSR
- #42
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 74%
- Out of stock
- 0.0%
- Avg brand age
- 51 months
- Avg seller age
- 211 days
Competition & brand share
The top 5 products take 65% of clicks — established leaders, but buyers still shop beyond them.Brands
18 rising
Sellers
21
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
65%
Top 20: 100%
Open market
24%
- NC23%
- Cysljoyful19%
- YOOFONE11%
- TRYTHINK10%
- GGRD8%
- FSQWUR5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -7.8% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 1.7×
Top 6v power supply search terms
- 6v dc power supply30K/yr
- dc 6v power cord13K/yr
- 6v power supply13K/yr
- dc6v power cord5K/yr
- 6v ac adapter6K/yr
- 6 volt power supply6K/yr
- dc 6v charger4K/yr
- 6vdc power supply3K/yr
- 6v 2a power supply7K/yr
- 6v power adapter3K/yr
Top 6v 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.
All 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DC 6V 2A Power Supply Adapter
NC$6.384.5★787 rev
6V DC Power Supply 2A Universal AC Adapter 100-240V 50/60Hz 6 Volts 2 Amp Transformer DC 6V Power Cord 5.5mm x 2.5mm Plug Center Positive
Cysljoyful$5.794.5★216 rev
6V 2A Power Adapter Supply 6V 2A 12W AC110V to DC6V Power Supply Adapter with 5.5mm x 2.1mm Tip and 11 Interchangeable Jacks Plug for 2000mA 1500mA 1000mA 800mA 500mA 400mA Equipment(1 Pack)
TRYTHINK$9.904.4★105 rev
6V DC Power Adapter Charger 6V Power Supply Universal AC Adapter Power Cord with 8 Interchangeable DC Plug for 100mA 300mA 400mA 500mA 600mA 700mA 800mA 900mA 1000mA 1500mA 2000mA Equipment (DC6V-2A)
GGRD$10.864.5★96 rev
6V 2A Power Supply Adapter AC 100-240V to DC 6Volt 2 Amp Power Supply AC/DC Transformer Converter 6V Power Cord with 5.5x2.1mm /5.5x2.5mm US Plug
YOOFONE$5.684.5★89 rev
Newest
by launch date
LeTaoXing Universal 6V 2A Power Supply Adapter AC 6 Volt 2000mA Wall Charger with DC in 8 Plug Jacks Replacement for 6V 1500mA 1000mA 900mA 800mA 600mA 500mA 400mA 300mA Device Power Cord
LeTaoXing$7.201 rev
6V DC Power Adapter Charger 6V Power Supply Universal AC Adapter Power Cord with 8 Interchangeable DC Plug for 100mA 300mA 400mA 500mA 600mA 700mA 800mA 900mA 1000mA 1500mA 2000mA Equipment (DC6V-2A)
GGRD$10.8696 rev
6V 2A Power Adapter Supply 6V 2A 12W AC110V to DC6V Power Supply Adapter with 5.5mm x 2.1mm Tip and 11 Interchangeable Jacks Plug for 2000mA 1500mA 1000mA 800mA 500mA 400mA Equipment(1 Pack)
TRYTHINK$9.90105 rev
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$18.02613 rev
6V 2A Power Supply Adapter Universal AC/DC 100-240V 50-60Hz to 6 Volt 2 Amp Adapter Converter with 5.5x2.5mm DC Power Cord
YOOFONE$5.1229 rev
Trending
90-day click momentumLeTaoXing Universal 6V 2A Power Supply Adapter AC 6 Volt 2000mA Wall Charger with DC in 8 Plug Jacks Replacement for 6V 1500mA 1000mA 900mA 800mA 600mA 500mA 400mA 300mA Device Power Cord
LeTaoXing$7.205.0★
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$18.024.5★
6V 1A DC Power Supply Adapter AC 6Volt 1000mA Wall Charger DC Plug 5.5x2.1mm & 2.5mm for 6V 100mA 200mA 300mA 500mA 600mA 800mA 100mA Device
FSQWUR$9.714.7★
6V AC Adapter for Omron Blood Pressure Monitor Hem-ADPTW5 USA UL Listed Extra Long 6.6 Ft Cord Healthcare 5 7 10 Series BP5100 BP5250 BP5450 Charger Replacement Power Supply Cord White
PLUSPOE$11.824.6★
Basicvolt 6V 2A Power Supply Universal AC/DC Adapter Charger Power Cord
Basicvolt$9.623.9★
What buyers say about 6v power supply
What buyers praise and complain about, mined from review topics.What buyers love
“works as advertised”
“Good value”
“so no complaints whatsoever”
“Fast charging speed affordable price”
“Correct size”
“Variety of plugs make this a versatile power cord”
“Works really well on multiple devices”
“works great did not want to go through batteries”
“Great help in troubleshooting power problems”
“Ease of use”
What buyers complain about
“Is short”
“Didn't work”
“Unfortunately it didn't work with any of my devices”
“Did not charge”
“Junk”
“Don't expect it to last long”
“Ac adapter poor”
“there's no connection”
“turned out it was the USB Port issue that many have”
“It really looks a used returned item”
Top return reasons
Common questions
- Is 6v power supply profitable to sell on Amazon United States?
- The niche generates $118K/yr across 19 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -7.8%. Flapen's verdict: Skip it (40/100).
- How competitive is the 6v power supply niche?
- 18 brands and 21 sellers compete. The top 5 products take 65% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in 6v power supply?
- Top complaints mined from reviews: Size-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 4.5%.
- When does demand for 6v power supply peak?
- Demand peaks in Nov–Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the 6v power supply niche?
- Listings span $5.12–$18.02; the average listing price is $10.16 (sweet spot $15–$100). The average incumbent carries 832 reviews — the moat a new listing must climb.