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41

4000k led light bulbs

Skip it

A small market ($58K/yr) — this niche doesn't clear our bar today.

Market size 14Growth 39Conversion 77Competition 31Returns 50Price range 64Avg price 78Brand share 39Review moat 29Quality gap 33

Avg price

Great$16.26

avg listing price — sweet spot $15–$100

Conversion

Great7.4%

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

Price range

Good$8.44–$26.57

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

Returns

Good3.0%

return rate — above 5% kills the launch gate

Growth

Okay+11.6%

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

Brand share

Okay82%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay66%

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

Review moat

Okay3,604.94

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$58K

$58K/yr · 48K searches

According to Flapen's Amazon United States niche tracking, 4000k led light bulbs is a $58K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan. Verdict: Skip it — 41/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

4000k led light bulbs market data

Units sold / yr
4K–5K
avg 100–250/product
Revenue / yr
$65K–$81K
units × avg price
Conversion rate
7.4%
Avg BSR
#185
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
50 months
Avg seller age
173 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 falling

Sellers

26

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

14%

  • E ENERGETIC LIGHTING33%
  • Great Eagle Lighting Corporation22%
  • TJOY13%
  • GvvooHome8%
  • VATION LIGHTING6%
  • GOECOVATE4%
  • Open — no brand owns it (6 brands, 14%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +11.6% search growth over the last 90 days.
3K2KSpike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan · busiest ÷ quietest = 3.0×

Top 4000k led light bulbs search terms

  • 4000k light bulbs18K/yr
  • light bulbs 4000k7K/yr
  • 4000k a19 bulbs4K/yr
  • led light bulb 4000k5K/yr
  • 4k light bulbs3K/yr
  • 4000k led light bulbs dimmable3K/yr
  • led 4000k light bulbs3K/yr
  • led light bulbs 4000k3K/yr
  • 4100k led bulb2K/yr
All search terms

Top 4000k led light bulbs 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%5%$3K10%$6K15%$9K20%$12K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

What buyers say about 4000k led light bulbs

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

What buyers love

Brightness/Shine/Glow39%

“Great lights”

Value For Money13%

“GREAT DEAL”

Color7%

“Great color”

Advertised Vs Actual Product7%

“Just what I needed”

Quality-Overall6%

“Excellent Product”

Bulb Flicker/Dimming/Color6%

“Great bulbs”

Size-Overall2%

“they fit perfectly”

Assembly/Installation2%

“Easy to install”

Efficiency2%

“Work pretty well”

Shape/Style2%

“Love the look”

What buyers complain about

Bulb Flicker/Dimming/Color24%

“They start to flicker”

Durability18%

“Short life”

Brightness/Shine/Glow10%

“Not as bright as expected”

Quality-Overall7%

“quality control on my box has failed”

Color6%

“sort of yellow tint”

Size-Overall4%

“They are a bit shorter than the old fashion bulbs. see photo”

Value For Money3%

“they aren't actually cheaper”

Defective Material/Parts3%

“Of the six that came in the package two were broke”

Advertised Vs Actual Product3%

“barely show at top”

Functionality-Overall3%

“Did not work”

Top return reasons

Color23%
Brightness/Shine/Glow22%
Bulb Flicker/Dimming/Color19%
Size-Overall18%
Advertised Vs Actual Product6%
Functionality-Overall3%
Value For Money2%
Defective Material/Parts2%
Compatibility-Overall1%
Product Condition0%

Common questions

Is 4000k led light bulbs profitable to sell on Amazon United States?
The niche generates $58K/yr across 18 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +11.6%. Flapen's verdict: Skip it (41/100).
How competitive is the 4000k led light bulbs niche?
12 brands and 26 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 82% of demand.
What do buyers complain about in 4000k led light bulbs?
Top complaints mined from reviews: Bulb Flicker/Dimming/Color, Durability, Brightness/Shine/Glow. The return rate is 3.0%.
When does demand for 4000k led light bulbs peak?
Demand peaks in Jan; the busiest month runs 3.0× the quietest.
What does it cost to enter the 4000k led light bulbs niche?
Listings span $8.44–$26.57; the average listing price is $16.26 (sweet spot $15–$100). The average incumbent carries 3,605 reviews — the moat a new listing must climb.