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43

double usb adapter

Skip it

Prices mostly outside the sweet spot ($4.86–$15.91) — this niche doesn't clear our bar today.

Market size 26Growth 17Conversion 78Competition 48Returns 83Price range 8Avg price 22Brand share 69Review moat 20Quality gap 43

Returns

Great1.6%

return rate — above 5% kills the launch gate

Conversion

Great7.8%

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

Brand share

Good63%

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

Competition

Okay56%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Okay$106K

$106K/yr · 168K searches

Avg price

Bad$8.09

avg listing price — sweet spot $15–$100

Review moat

Bad13,442.09

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-15.8%

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

Price range

Bad$4.86–$15.91

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

According to Flapen's Amazon United States niche tracking, double usb adapter is a $106K/yr Amazon United States market (168K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 43/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

double usb adapter market data

Units sold / yr
15K–20K
avg 500–750/product
Revenue / yr
$121K–$162K
units × avg price
Conversion rate
7.8%
Avg BSR
#758
Page quality
0%
Prime
100%
Sponsored
96%
Out of stock
1.0%
Avg brand age
40 months
Avg seller age
190 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

19 rising

Sellers

28

Top-5 brand share

63%

Top 20: 100%

Top-5 click share

56%

Top 20: 97%

Open market

30%

  • ANDTOBO19%
  • KiwiBird18%
  • vienon9%
  • Acer9%
  • Adaptermvp8%
  • FORIDA7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -15.8% search growth over the last 90 days.
3K2KSpike '24Holiday '24Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Dec · busiest ÷ quietest = 1.8×

Top double usb adapter search terms

  • usb splitter cable20K/yr
  • usb 3.0 splitter16K/yr
  • usb y splitter17K/yr
  • dual usb14K/yr
  • usb power splitter13K/yr
  • double usb adapter13K/yr
  • usb splitter 1 in 3 out13K/yr
  • usb splitter 2 in 1 out8K/yr
  • dual usb adapter7K/yr
  • usb double adapter6K/yr
All search terms

Top double usb adapter 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%5%$5K10%$11K15%$16K20%$21K101001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 23 tracked products in this niche — three views at once, no toggling.

What buyers say about double usb adapter

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

What buyers love

Advertised Vs Actual Product18%

“Exactly as pictured”

Quality-Overall15%

“Really good build quality”

Value For Money10%

“Excellent value”

Socket/Port/Plug10%

“Very nice to have extra USB ports”

Charging7%

“Good charger”

Ease Of Use6%

“Convenient to use”

Connectivity-Overall6%

“Easy to connect”

Portability4%

“Portability is great”

Compatibility-Overall3%

“no compatibility issues”

Size-Overall2%

“It fits so well in my small space”

What buyers complain about

Durability29%

“Fell apart”

Quality-Overall9%

“quality control seems hit-or-miss”

Functionality-Overall9%

“Did not work”

Connectivity-Overall9%

“Poor Connection”

Charging7%

“SLOW CHARGING”

Socket/Port/Plug6%

“The ports did not work”

Compatibility-Overall4%

“would not work with them”

Size-Overall3%

“Sizing way off”

Heating2%

“The box gets REALLY hot”

Portability2%

“Ok. A few times the port didnt work for”

Top return reasons

Socket/Port/Plug21%
Compatibility-Overall18%
Functionality-Overall12%
Charging10%
Connectivity-Overall9%
Length7%
Size-Overall6%
Defective Material/Parts3%
Advertised Vs Actual Product3%
Value For Money3%

Common questions

Is double usb adapter profitable to sell on Amazon United States?
The niche generates $106K/yr across 23 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.8%. Flapen's verdict: Skip it (43/100).
How competitive is the double usb adapter niche?
19 brands and 28 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 63% of demand.
What do buyers complain about in double usb adapter?
Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 1.6%.
When does demand for double usb adapter peak?
Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the double usb adapter niche?
Listings span $4.86–$15.91; the average listing price is $8.09 (sweet spot $15–$100). The average incumbent carries 13,442 reviews — the moat a new listing must climb.