Is usb to dc power cable profitable to sell on Amazon United States?

The niche generates $59K/yr across 17 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -6.5%. Flapen's verdict: Skip it (31/100).

How competitive is the usb to dc power cable niche?

15 brands and 34 sellers compete. The top 5 products take 73% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in usb to dc power cable?

Top complaints mined from reviews: Functionality-Overall, Charging, Compatibility-Overall. The return rate is 5.0% — above our launch gate.

When does demand for usb to dc power cable peak?

Demand peaks in Jan–Dec; the busiest month runs 1.8× the quietest.

What does it cost to enter the usb to dc power cable niche?

Listings span $5.03–$9.85; the average listing price is $7.41 (sweet spot $15–$100). The average incumbent carries 1,001 reviews — the moat a new listing must climb.

usb to dc power cable

Skip it

Prices mostly outside the sweet spot ($5.03–$9.85) — this niche doesn't clear our bar today.

Conversion

Good6.3%

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

Review moat

Good1,000.53

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay78%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Bad5.0%

return rate — above 5% kills the launch gate

Competition

Bad73%

top-5 click share — a locked-up shelf

Growth

Bad-6.5%

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

Avg price

Bad$7.41

avg listing price — sweet spot $15–$100

Market size

Bad$59K

$59K/yr · 126K searches

Price range

Bad$5.03–$9.85

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

Signals High Returns

According to Flapen's Amazon United States niche tracking, usb to dc power cable is a $59K/yr Amazon United States market (126K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 31/100.

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

usb to dc power cable market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $59K–$74K; units × avg price
Conversion rate: 6.3%
Avg BSR: #1,091
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 34 months
Avg seller age: 189 days

Competition & brand share

The top 5 products capture 73% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 falling

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

73%

Top 20: 100%

Open market

18%

LIANSUM27%
Powseed27%
StarTech.com13%
HiLetgo6%
AGVEE5%
FARSENSE4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.5% search growth over the last 90 days.

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

Open Trend

Top usb to dc power cable search terms

usb to dc power cable23K/yr -15.1%6.4% conv.
usb to dc13K/yr +7.2%5.1% conv.
usb to round power plug13K/yr -18.9%5.5% conv.
usb to 5v dc cable9K/yr -3.3%5.0% conv.
dc to usb cable5K/yr +51.5%4.0% conv.
dc to usb adapter9K/yr -38.6%2.2% conv.
dc to usb7K/yr +4.7%4.8% conv.
usb to dc adapter8K/yr -23.4%3.9% conv.
usb to dc barrel jack power cable3K/yr +25.5%5.5% conv.
usb to barrel plug 5v6K/yr -18.3%9.2% conv.

All search terms

Top usb to dc power cable 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 17 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Powseed 5V Universal DC Power Cable USB to DC Charging Cord with 13pcs Adapter Plugs for Webcam Router Recorder Bluetooth Speaker Scanner DVR Hard Disk Box USB-HUB etc.

Powseed$9.094.5★1,770 rev

LIANSUM USB to DC 5V Power Cord Universal DC 5.5x2.1mm Plug Jack Charging Cable with 10 Connector Tips(5.5x2.5 4.8x1.7 4.0x1.7 4.0x1.35 3.5x1.35 3.0x1.1 2.5x0.7 Micro USB Type-C Mini USB)5FT

LIANSUM$8.124.4★3,989 rev

StarTech 3FT USB to Type M Barrel DC Power Cable

StarTech.com$5.034.5★3,042 rev

LIANSUM USB to DC 5V Power Cord Universal DC 5.5x2.1mm Cable with 8 Connectors (6.4x4.4 5.5x2.5 4.8x1.7 4.0x1.7 3.5x1.35 2.5x0.7 Micro USB Type-C) for Router Mini Fan Speaker More 5V Devices

LIANSUM$6.994.5★1,047 rev

HiLetgo 5pcs USB 2.0 A Male to DC 5.5x2.1mm 5 Volt DC Connector Charge Barrel Jack Power Cable Black(Max 2.5 Ampere Power Cable Center PIN Positive)

HiLetgo$7.324.4★485 rev

Newest

by launch date

Meliya USB to DC 5V Power Cord USB-A Male to DC 5.5mm x 2.1mm Power Plug Connector Charge Barrel Jack Power Cable 2Pack-3.3ft

Meliya$6.722 rev

3mo ago

Hather 5V USB to DC Power Cable with 9 Connector Tips 5.5x2.1mm Female Jack Universal DC Plug Kit for Router CCTV Camera LED Lights Digital Photo Frame UD01

Hather$5.991 rev

3mo ago

Smays 5-Pack DC 5V Power Cord USB to DC 3.5mm x 1.35mm Round Barrel Plug Charging Cable 5 ft Black

Smays$9.7333 rev

12mo ago

Cordro USB to DC 5V Power Cord Universal DC Plug Jack Charging Cable with 9 Adapters for Moon Lamp Massage Wand Router LED Light Mini Fan Speaker and More Devices (White)

Cordro$9.8584 rev

1y ago

AGVEE 3.3ft USB to DC 5V Power Cord 5521(5.5x2.1mm) | Braided Nylon & Aluminum Shell | 6pcs DC Adapter Tips | Fast & Durable Charging for CCTV Cameras Routers LED Strips Black

AGVEE$7.89110 rev

1y ago

What buyers say about usb to dc power cable

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

What buyers love

Advertised Vs Actual Product17%

“Works like a charm”

Charging15%

“reliable charging solution”

Quality-Overall15%

“The build quality is better than I expected”

Socket/Port/Plug10%

“Easy to attach adapters, well-made, solid connection”

Size-Overall8%

“Fit perfectly”

Value For Money8%

“Totally worth the money”

Ease Of Use7%

“Convenient”

Efficiency6%

“Extremely functional”

Compatibility-Overall3%

“No issues and has plenty of adapters for use on other devices”

Portability3%

“Great for travel”

What buyers complain about

Functionality-Overall28%

“Didnt work”

Charging16%

“it would not charge”

Compatibility-Overall15%

“None of the adapters would fit”

Size-Overall12%

“It doesn't identify tips sizes”

Defective Material/Parts6%

“Neither cables worked”

Socket/Port/Plug6%

“received without the extra connectors”

Strength3%

“it was much to weak for that”

Value For Money3%

“it was a wast of money”

Advertised Vs Actual Product1%

“Just not what I thought it would be”

Add-Ons/Attachments1%

“One extension was loose”

Top return reasons

Size-Overall24%

Charging21%

Compatibility-Overall20%

Functionality-Overall12%

Connectivity-Overall6%

Socket/Port/Plug4%

Length4%

Defective Material/Parts3%