Skip to content
42

power cube

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Market size 52Growth 26Conversion 61Competition 23Returns 89Price range 78Avg price 95Brand share 0Review moat 15Quality gap 19

Avg price

Incredible$34.99

avg listing price — sweet spot $15–$100

Returns

Great1.3%

return rate — above 5% kills the launch gate

Price range

Great$9.33–$116.56

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

Conversion

Good5.3%

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

Market size

Good$329K

$329K/yr · 178K searches

Growth

Okay+0.9%

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

Competition

Bad72%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Review moat

Bad23,137

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, power cube is a $329K/yr Amazon United States market (178K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jul–Dec. Verdict: Skip it — 42/100.

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

power cube market data

Units sold / yr
13K–15K
avg 1,500–2,000/product
Revenue / yr
$437K–$525K
units × avg price
Conversion rate
5.3%
Avg BSR
#43
Page quality
0%
Prime
100%
Sponsored
40%
Out of stock
1.7%
Avg brand age
34 months
Avg seller age
180 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

16

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

0%

  • Anker84%
  • HANYCONY14%
  • YISHU2%
  • Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.9% search growth over the last 90 days.
9K7KPrime Day '24Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jul, Dec · busiest ÷ quietest = 1.9×

Top power cube search terms

  • anker cube53K/yr
  • anker cube charger13K/yr
  • hanycony surge protector power strip15K/yr
  • anker 3 in 1 cube11K/yr
  • hanycony8K/yr
  • anker charging cube8K/yr
  • anker power cube8K/yr
  • anker cube 3 in 1 magsafe11K/yr
  • power strip cube7K/yr
  • cube power strip6K/yr
All search terms

Top power 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.

0%10%$33K20%$66K30%$99K40%$132K1001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

What buyers say about power cube

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

What buyers love

Charging33%

“Charges well”

Quality-Overall15%

“Amazing quality”

Advertised Vs Actual Product7%

“As described”

Socket/Port/Plug6%

“Love the USB ports”

Value For Money6%

“Reasonable price”

Ease Of Use4%

“easy to access”

Portability4%

“Great for travel”

Design-Overall2%

“Compact design”

Compactness2%

“compact for taking along when traveling”

Size-Overall2%

“Fit perfectly”

What buyers complain about

Charging20%

“Slow charge”

Durability18%

“Falls apart”

Noise Level7%

“Buzzing noise”

Functionality-Overall7%

“Stopped working”

Quality-Overall7%

“Very disappointed in Anker's quality control”

Socket/Port/Plug4%

“Ports stopped working”

Value For Money3%

“Its a little expensive”

Size-Overall3%

“Too short”

Heating3%

“getting hot”

Compatibility-Overall2%

“Doesn't work with certain devices”

Top return reasons

Charging35%
Size-Overall11%
Functionality-Overall8%
Value For Money8%
Socket/Port/Plug6%
Compatibility-Overall6%
Advertised Vs Actual Product5%
Defective Material/Parts4%
Weight Heavy2%
Noise Level2%

Common questions

Is power cube profitable to sell on Amazon United States?
The niche generates $329K/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +0.9%. Flapen's verdict: Skip it (42/100).
How competitive is the power cube niche?
3 brands and 16 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in power cube?
Top complaints mined from reviews: Charging, Durability, Noise Level. The return rate is 1.3%.
When does demand for power cube peak?
Demand peaks in Jul–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the power cube niche?
Listings span $9.33–$116.56; the average listing price is $34.99 (sweet spot $15–$100). The average incumbent carries 23,137 reviews — the moat a new listing must climb.