Is usb c cube profitable to sell on Amazon United States?

The niche generates $327K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.0%. Flapen's verdict: Skip it (48/100).

How competitive is the usb c cube niche?

14 brands and 31 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 76% of demand.

What do buyers complain about in usb c cube?

Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 0.8%.

When does demand for usb c cube peak?

Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.

What does it cost to enter the usb c cube niche?

Listings span $6.77–$21.22; the average listing price is $12.40 (sweet spot $15–$100). The average incumbent carries 9,988 reviews — the moat a new listing must climb.

usb c cube

Skip it

Strong incumbent ratings (4.7★) — this niche doesn't clear our bar today.

Conversion

Incredible17.6%

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

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Avg price

Good$12.40

avg listing price — sweet spot $15–$100

Market size

Good$327K

$327K/yr · 150K searches

Brand share

Okay76%

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

Price range

Okay$6.77–$21.22

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

Growth

Okay+2.0%

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

Competition

Okay70%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad9,988.35

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, usb c cube is a $327K/yr Amazon United States market (150K searches/yr). The top 5 brands hold 76% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 48/100.

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

usb c cube market data

Units sold / yr: 25K–30K; avg 1,250–1,500/product
Revenue / yr: $310K–$372K; units × avg price
Conversion rate: 17.6%
Avg BSR: #75
Page quality: 0%
Prime: 100%
Sponsored: 76%
Out of stock: 1.9%
Avg brand age: 28 months
Avg seller age: 185 days

Competition & brand share

The top 5 products take 70% of clicks — established leaders, but buyers still shop beyond them.

Brands

14 falling

Sellers

Top-5 brand share

76%

Top 20: 100%

Top-5 click share

70%

Top 20: 100%

Open market

19%

DENGWENQIANG27%
Ocupwei19%
Anker11%
SMALLElectric10%
BSTOEM9%
CXX4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +2.0% search growth over the last 90 days.

Peak months: Jan, Dec · busiest ÷ quietest = 2.0×

Open Trend

Top usb c cube search terms

usb c cube35K/yr +9.2%14.1% conv.
usbc cube32K/yr +14.9%16.3% conv.
charging cube usb c19K/yr +6.7%11.0% conv.
type c cube11K/yr -2.8%12.1% conv.
type c brick11K/yr -6.7%9.4% conv.
c cube charger block10K/yr -18.1%14.0% conv.
usb c cube wall charger8K/yr -16.4%13.4% conv.
c box7K/yr -22.0%6.5% conv.
usb-c cube5K/yr -10.8%16.1% conv.
charger cube usb c3K/yr -8.4%8.9% conv.

All search terms

Top usb c cube 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

2 Pack USB C Charger Block Dual Port Type C Wall Charger Fast Charging 20W Power Adapter Cube for iPhone 14/14 Pro/14 Pro Max/14 Plus/13/12/11 XS/XR/X iPad Samsung More

DENGWENQIANG$6.774.6★21,418 rev

USB C Charger Block 20W Ocupwei PD 3.0 Fast Charging Wall Charger USBC Power Adapter Type C Brick Cube for iPhone 17/Pro/Pro Max/17 Air/ 16/16 Pro/16 Pro Max/15/Plus/Pro/Pro Max [2 Pack]

Ocupwei$7.044.6★8,920 rev

USB C Charger Block 3-Pack Dual Port USB C Fast Charging BlockType C Wall Charger Plug for iPhone 17/16/15/14/13/12/11/ Pro Max/Plus/Xs Max/XR/X iPad Pro (20W)

SMALLElectric$10.254.6★2,749 rev

USBC Charger Block for iPhone 17 Charging Plug MFI Certified Fast USB C Wall Cube 2Pack Power Adapter for iPhone16E/17/Air/Pro/Plus/Pro Max/15/14/13/12/11 for iPad Pro/Air/Mini USB-C Charge Brick Box

BSTOEM$8.554.6★8,763 rev

[4 Pack] USB C Charger Block Fast Charging Multiport Adpater [PD 20W USB-C & QC 3.0 USB-A Port] for iPhone 17/16/15/14/13/12/11/X/8 iPad Galaxy Google & More

CXX$11.294.6★12,189 rev

Newest

by launch date

Phone Charger4 Pack USB C Charger Block20W Type C Fast Wall Charge Power Adapter for i Phone 17/16/15/14/13/12/11/X/8/Xs Max/XR/S25/S24 and More

FDHJGFTR$6.94201 rev

7mo ago

4 Pack USB C Charger Block 20W USB-C & USB-A Port Chargerfor i Phone 17/16/15/14/13/12/11/X/8 i Pad and More

REKNA$8.881,686 rev

1y ago

[4 Pack] USB C Charger Block Charging Block Type C Charger 20W Wall Chargers for iPhone Air/17/17 Plus/17 Pro/17 Max/16/16 Plus/16 Pro Max/15/15 Pro Max/14/13/12/Samsung/Android

STAKYCET$21.002,350 rev

1y ago

USB C Charger Block for Apple iPhone Air 17 16 15 14 13 12 11 Pro Max 20W USBC Fast Charging Cube Plug Brick for Apple Watch iPhone iPad Airpods and More 1Pack 1C USB-C Power Adapter White

BWOGGJ$7.141,116 rev

1y ago

Apple 20W USB-C Compact Power Adapter: Fast and Convenient Charging Type C Wall Charger

Apple$14.5812,108 rev

1y ago

What buyers say about usb c cube

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

What buyers love

Charging38%

“Charges my phone fast”

Quality-Overall14%

“Great well made product”

Advertised Vs Actual Product12%

“Better than I expected”

Value For Money11%

“Reasonable price”

Efficiency4%

“These cubes work well”

Ease Of Use2%

“very handy”

Durability2%

“This is a durable product for an affordable price”

Socket/Port/Plug2%

“All of the ports on both work well”

Compatibility-Overall2%

“Adapter is perfect”

Portability2%

“Great for Travel”

What buyers complain about

Charging38%

“Did not charge”

Durability14%

“Didnt last”

Functionality-Overall8%

“Doesn't work as advertised”

Quality-Overall6%

“Poor Quality Control”

Heating5%

“Gets very hot to the touch”

Socket/Port/Plug4%

“Usbc port doesnt even work”

Compatibility-Overall2%

“Doesn't work with certain devices”

Size-Overall2%

“larger than expected”

Advertised Vs Actual Product2%

“False advertisement”

Connectivity-Overall2%

“Sometimes doesn't connect”

Top return reasons

Charging51%

Compatibility-Overall13%

Size-Overall7%

Value For Money6%

Functionality-Overall6%

Socket/Port/Plug4%

Defective Material/Parts3%

Advertised Vs Actual Product3%

Connectivity-Overall1%

Length1%

Common questions

Is usb c cube profitable to sell on Amazon United States?: The niche generates $327K/yr across 17 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +2.0%. Flapen's verdict: Skip it (48/100).
How competitive is the usb c cube niche?: 14 brands and 31 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 76% of demand.
What do buyers complain about in usb c cube?: Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 0.8%.
When does demand for usb c cube peak?: Demand peaks in Jan–Dec; the busiest month runs 2.0× the quietest.
What does it cost to enter the usb c cube niche?: Listings span $6.77–$21.22; the average listing price is $12.40 (sweet spot $15–$100). The average incumbent carries 9,988 reviews — the moat a new listing must climb.

usb c cube

usb c cube market data

Competition & brand share

Demand & seasonality

Top usb c cube search terms

Top usb c cube products on Amazon

Top sellers

Newest

Trending

What buyers say about usb c cube

What buyers love

What buyers complain about

Top return reasons

Common questions

Related niches in Cell Phones & Accessories