Skip to content
48

5v power supply

Skip it

Soft demand (-8.2% this quarter) — this niche doesn't clear our bar today.

Market size 42Growth 21Conversion 75Competition 59Returns 25Price range 53Avg price 49Brand share 64Review moat 65Quality gap 53

Conversion

Great7.1%

search→purchase rate — share of searches ending in a sale

Review moat

Good909.84

avg incumbent reviews — the moat a new listing must climb

Brand share

Good67%

top-5 brand share — brands hold most of the demand

Competition

Good50%

top-5 click share — leaders hold, buyers still browse

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$5.70–$25.55

cheapest to priciest tracked listing — scored on the share inside $15–$100

Avg price

Okay$11.85

avg listing price — sweet spot $15–$100

Market size

Okay$219K

$219K/yr · 259K searches

Returns

Bad5.0%

return rate — above 5% kills the launch gate

Growth

Bad-8.2%

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, 5v power supply is a $219K/yr Amazon United States market (259K searches/yr). The top 5 brands hold 67% of demand. Demand peaks in Dec. Verdict: Skip it — 48/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

5v power supply market data

Units sold / yr
20K–25K
avg 750–1,000/product
Revenue / yr
$237K–$296K
units × avg price
Conversion rate
7.1%
Avg BSR
#67
Page quality
0%
Prime
100%
Sponsored
84%
Out of stock
0.0%
Avg brand age
44 months
Avg seller age
191 days

Competition & brand share

The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 flat

Sellers

21

Top-5 brand share

67%

Top 20: 100%

Top-5 click share

50%

Top 20: 93%

Open market

27%

  • Arkare29%
  • ALITOVE16%
  • GuanTing9%
  • Velainwom7%
  • BTF-LIGHTING7%
  • MTYTOT6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -8.2% search growth over the last 90 days.
7K5KHoliday '24Holiday '25SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.7×

Top 5v power supply search terms

  • 5v power supply111K/yr
  • 5v dc power supply33K/yr
  • 5 volt dc power supply30K/yr
  • 5v power adapter18K/yr
  • 5v adapter9K/yr
  • 5 volt power supply10K/yr
  • 5vdc power supply9K/yr
  • 5volt dc power supply5K/yr
  • 5v dc power adapter3K/yr
  • 5v ac adapter6K/yr
All search terms

Top 5v 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%$22K20%$44K30%$66K40%$88K101001K10K Reviews — right = deep review moat Market 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.

What buyers say about 5v power supply

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product19%

“Does the job”

Value For Money12%

“Great value for the price”

Charging11%

“good charger”

Quality-Overall11%

“The build quality feels solid for the price point”

Compatibility-Overall7%

“It is definitely compatible”

Socket/Port/Plug5%

“This worked out perfectly because of the various size connectors”

Ease Of Use5%

“Easy to use”

Size-Overall4%

“Fit was great”

Durability4%

“Good durability”

Connectivity-Overall2%

“it connected easily”

What buyers complain about

Durability14%

“Broken in a month”

Charging14%

“it is a slow charge”

Size-Overall8%

“Didnt fit”

Functionality-Overall8%

“Didnt work”

Quality-Overall7%

“Cheap not worth buying”

Advertised Vs Actual Product5%

“Not as advertised”

Compatibility-Overall4%

“Not compatible at all”

Connectivity-Overall3%

“then quit so I think its something to do with the connection”

Value For Money3%

“Not worth the cost”

Heating3%

“they do not get hot”

Top return reasons

Compatibility-Overall33%
Size-Overall22%
Functionality-Overall13%
Charging13%
Defective Material/Parts5%
Connectivity-Overall3%
Socket/Port/Plug2%
Advertised Vs Actual Product2%
Add-Ons/Attachments2%
Value For Money1%

Common questions

Is 5v power supply profitable to sell on Amazon United States?
The niche generates $219K/yr across 25 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -8.2%. Flapen's verdict: Skip it (48/100).
How competitive is the 5v power supply niche?
18 brands and 21 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 67% of demand.
What do buyers complain about in 5v power supply?
Top complaints mined from reviews: Durability, Charging, Size-Overall. The return rate is 5.0% — above our launch gate.
When does demand for 5v power supply peak?
Demand peaks in Dec; the busiest month runs 1.7× the quietest.
What does it cost to enter the 5v power supply niche?
Listings span $5.70–$25.55; the average listing price is $11.85 (sweet spot $15–$100). The average incumbent carries 910 reviews — the moat a new listing must climb.