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53

electrical box extender

Worth a look

Shows a thin review moat (328 avg reviews), but soft demand (-6.9% this quarter) keeps it on the watch list.

Market size 46Growth 22Conversion 80Competition 74Returns 58Price range 55Avg price 46Brand share 52Review moat 84Quality gap 38

Review moat

Great328.28

avg incumbent reviews — the moat a new listing must climb

Conversion

Great8.4%

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

Competition

Good41%

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

Returns

Good2.7%

return rate — above 5% kills the launch gate

Price range

Good$4.75–$27.63

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

Brand share

Good74%

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

Market size

Okay$248K

$248K/yr · 257K searches

Avg price

Okay$11.49

avg listing price — sweet spot $15–$100

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-6.9%

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

According to Flapen's Amazon United States niche tracking, electrical box extender is a $248K/yr Amazon United States market (257K searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

electrical box extender market data

Units sold / yr
20K–25K
avg 250–500/product
Revenue / yr
$230K–$287K
units × avg price
Conversion rate
8.4%
Avg BSR
#78
Page quality
0%
Prime
100%
Sponsored
95%
Out of stock
4.3%
Avg brand age
40 months
Avg seller age
174 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

40

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

41%

Top 20: 81%

Open market

20%

  • XGGYA37%
  • Mint Bucket Brands11%
  • BWP10%
  • GIB cleaningtool8%
  • RonJea7%
  • YQXIUTE6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -6.9% search growth over the last 90 days.
6K4KSpike '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.2×

Top electrical box extender search terms

  • outlet box extender66K/yr
  • electrical box extender66K/yr
  • electric box extender15K/yr
  • box extenders for outlets7K/yr
  • single gang box extender11K/yr
  • electrical box extension10K/yr
  • junction box extender8K/yr
  • electrical outlet box extender10K/yr
  • outlet box extension7K/yr
  • outlet extender box5K/yr
All search terms

Top electrical box extender 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%4%$10K8%$20K12%$30K16%$40K101001K10K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about electrical box extender

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

What buyers love

Advertised Vs Actual Product18%

“As advertised”

Quality-Overall16%

“The quality feels solid”

Size-Overall15%

“Awesome fit”

Assembly/Installation8%

“Easy to install”

Value For Money8%

“Worth the money”

Ease Of Use7%

“Easy to use”

Efficiency4%

“Effective”

Add-Ons/Attachments3%

“This extender was perfect”

Stretchability/Expandability/Elasticity3%

“Easy fit extenders”

Maintenance And Repair3%

“Easy fix to the problem”

What buyers complain about

Size-Overall28%

“the screws provided were almost too short”

Functionality-Overall10%

“these box extenders did not work for me”

Thickness6%

“If one particular thickness will not work”

Material Quality5%

“The plastic is very flimsy”

Strength5%

“Feels flimsy too”

Grip4%

“Tend to slide out, VERY annoying”

Value For Money4%

“Slightly cheaper the supply house”

Quality-Overall3%

“Garbage”

Color3%

“gray arrived”

Defective Material/Parts3%

“Broken”

Top return reasons

Size-Overall57%
Functionality-Overall8%
Compatibility-Overall6%
Advertised Vs Actual Product5%
Add-Ons/Attachments5%
Value For Money4%
Quality-Overall2%
Defective Material/Parts2%
Material Quality2%
Assembly/Installation1%

Common questions

Is electrical box extender profitable to sell on Amazon United States?
The niche generates $248K/yr across 40 tracked products. 90-day search growth is -6.9%. Flapen's verdict: Worth a look (53/100).
How competitive is the electrical box extender niche?
18 brands and 40 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in electrical box extender?
Top complaints mined from reviews: Size-Overall, Functionality-Overall, Thickness. The return rate is 2.7%.
When does demand for electrical box extender peak?
Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the electrical box extender niche?
Listings span $4.75–$27.63; the average listing price is $11.49 (sweet spot $15–$100). The average incumbent carries 328 reviews — the moat a new listing must climb.