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4 port usb charger

Skip it

A small market ($70K/yr) — this niche doesn't clear our bar today.

Market size 17Growth 23Conversion 85Competition 19Returns 88Price range 71Avg price 82Brand share 26Review moat 22Quality gap 25

Returns

Great1.4%

return rate — above 5% kills the launch gate

Conversion

Great9.4%

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

Avg price

Great$17.63

avg listing price — sweet spot $15–$100

Price range

Good$6.96–$34.83

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

Brand share

Okay89%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-4.2%

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

Review moat

Bad8,627.36

avg incumbent reviews — the moat a new listing must climb

Competition

Bad78%

top-5 click share — a locked-up shelf

Market size

Bad$70K

$70K/yr · 42K searches

According to Flapen's Amazon United States niche tracking, 4 port usb charger is a $70K/yr Amazon United States market (42K searches/yr). The top 5 brands hold 89% of demand. Demand peaks in Dec. Verdict: Skip it — 40/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

4 port usb charger market data

Units sold / yr
3K–4K
avg 250–500/product
Revenue / yr
$53K–$71K
units × avg price
Conversion rate
9.4%
Avg BSR
#157
Page quality
0%
Prime
100%
Sponsored
64%
Out of stock
11.2%
Avg brand age
38 months
Avg seller age
190 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 falling

Sellers

15

Top-5 brand share

89%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

7%

  • AILKIN60%
  • Anker14%
  • iHome7%
  • sccvee4%
  • Generic4%
  • Dulums4%
  • Open — no brand owns it (2 brands, 7%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.2% search growth over the last 90 days.
3K2KPrime Day '24Spike '24Black Friday '24Holiday '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.8×

Top 4 port usb charger search terms

  • 4 port usb charger26K/yr
  • 4 usb charger block13K/yr
  • multi usb block3K/yr
All search terms

Top 4 port usb charger 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%15%$10K30%$21K45%$31K60%$42K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

What buyers say about 4 port usb charger

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

What buyers love

Charging41%

“Fast Charging”

Quality-Overall12%

“Great product, trustworthy company”

Value For Money10%

“Good price”

Advertised Vs Actual Product9%

“AS ADVERTISED”

Ease Of Use5%

“Very handy”

Portability5%

“Convenient for traveling”

Efficiency3%

“Very efficient and well designed”

Socket/Port/Plug3%

“Good plug”

Size-Overall1%

“Perfect Size for Travel”

Durability1%

“it's durable”

What buyers complain about

Charging32%

“Doesn't charge”

Durability16%

“Didnt Last”

Socket/Port/Plug10%

“ports are loose”

Quality-Overall9%

“Bad quality”

Functionality-Overall6%

“It doesnt work well”

Heating3%

“Over heats and you can smell it burning”

Value For Money3%

“Unfortunately a waste of money”

Advertised Vs Actual Product3%

“Not as described”

Connectivity-Overall3%

“Bad connection”

Size-Overall2%

“it doesn't fit”

Top return reasons

Charging47%
Socket/Port/Plug9%
Size-Overall7%
Value For Money6%
Functionality-Overall5%
Compatibility-Overall5%
Advertised Vs Actual Product4%
Defective Material/Parts3%
Weight Heavy3%
Connectivity-Overall2%

Common questions

Is 4 port usb charger profitable to sell on Amazon United States?
The niche generates $70K/yr across 11 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.2%. Flapen's verdict: Skip it (40/100).
How competitive is the 4 port usb charger niche?
8 brands and 15 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 89% of demand.
What do buyers complain about in 4 port usb charger?
Top complaints mined from reviews: Charging, Durability, Socket/Port/Plug. The return rate is 1.4%.
When does demand for 4 port usb charger peak?
Demand peaks in Dec; the busiest month runs 1.8× the quietest.
What does it cost to enter the 4 port usb charger niche?
Listings span $6.96–$34.83; the average listing price is $17.63 (sweet spot $15–$100). The average incumbent carries 8,627 reviews — the moat a new listing must climb.