Is c9 replacement bulbs profitable to sell on Amazon United States?

The niche generates $284K/yr across 74 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Worth a look (57/100).

How competitive is the c9 replacement bulbs niche?

37 brands and 42 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 51% of demand.

What do buyers complain about in c9 replacement bulbs?

Top complaints mined from reviews: Color, Size-Overall, Brightness/Shine/Glow. The return rate is 6.5% — above our launch gate.

When does demand for c9 replacement bulbs peak?

Demand peaks in Nov–Dec; the busiest month runs 36.6× the quietest.

What does it cost to enter the c9 replacement bulbs niche?

Listings span $11.29–$35.84; the average listing price is $18.97 (sweet spot $15–$100). The average incumbent carries 676 reviews — the moat a new listing must climb.

c9 replacement bulbs

Worth a look

Shows a fragmented shelf (top 5 take 26% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Competition

Great26%

top-5 click share — an open shelf

Avg price

Great$18.97

avg listing price — sweet spot $15–$100

Brand share

Great51%

top-5 brand share — no brand owns this niche

Price range

Great$11.29–$35.84

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

Review moat

Good675.81

avg incumbent reviews — the moat a new listing must climb

Conversion

Good4.7%

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

Market size

Good$284K

$284K/yr · 320K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+0.1%

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

Returns

Bad6.5%

return rate — above 5% kills the launch gate

Signals No Dominant Brand High Returns

According to Flapen's Amazon United States niche tracking, c9 replacement bulbs is a $284K/yr Amazon United States market (320K searches/yr). The top 5 brands hold 51% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 57/100.

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

c9 replacement bulbs market data

Units sold / yr: 25K–30K; avg 250–500/product
Revenue / yr: $474K–$569K; units × avg price
Conversion rate: 4.7%
Avg BSR: #2,938
Page quality: 0%
Prime: 97%
Sponsored: 91%
Out of stock: 22.1%
Avg brand age: 59 months
Avg seller age: 205 days

Competition & brand share

Clicks spread well past the top 5 (26% combined) — an open shelf where new products get seen.

Brands

37 falling

Sellers

Top-5 brand share

51%

Top 20: 88%

Top-5 click share

26%

Top 20: 61%

Open market

43%

Novelty Lights17%
Meconard11%
GOOTHY11%
Kivonfa6%
Brightown6%
CXLHO5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.1% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 36.6×

Open Trend

Top c9 replacement bulbs search terms

c9 replacement bulbs47K/yr +21.0%5.9% conv.
c9 bulbs95K/yr -38.9%3.3% conv.
c9 led bulbs61K/yr -19.7%2.5% conv.
c9 led replacement bulbs16K/yr +45.7%3.1% conv.
c9 light bulbs13K/yr +12.6%4.1% conv.
led c9 bulbs11K/yr +23.7%1.4% conv.
c9 christmas light bulbs17K/yr +7.4%3.7% conv.
c9 bulb5K/yr +33.7%2.4% conv.
c9 colored bulbs3K/yr +27.6%0.5% conv.
c9 led7K/yr -16.1%1.1% conv.

All search terms

Top c9 replacement 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.

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

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

Top sellers

by 90-day click share

25 Pack C9 Multicolor Christmas Light Bulbs C9 Multicolor Replacement Bulbs for Outdoor Patio Christmas String Lights 7W Incandescent Night Light Bulbs C9/E17 Intermediate Base Bulb 120V 7W bulb

GOOTHY$17.154.6★380 rev

25 Pack C9 Replacement Bulbs 7W Incandescent Clear Night Light Bulbs for Outdoor String Lights Clear Christmas Bulbs for Porch Patio Garden Wedding Decor Warm White E17 Intermediate Base

Kivonfa$15.594.5★63 rev

CXLHO 25 Pack C9 Bulbs Clear Replacement Bulbs Incandescent C9 Christmas Light Bulbs for Christmas String Light E17 Intermediate Base 7 Watt Clear

CXLHO$15.014.7★166 rev

Novelty Lights 25 Pack C9 Ceramic Outdoor Christmas Replacement Bulbs Multi E17 Intermediate Base 7 Watt

Novelty Lights$16.704.6★4,539 rev

BORT 50 Pack C9 LED Replacement Light Bulb C9 LED Bulbs for Christmas Outdoor String Lights E17 Intermediate Base Clear Plastic Commercial Grade Holiday Bulbs 2700K

BORT$25.474.3★14 rev

Newest

by launch date

Hobbynors C9 LED Replacement Bulbs 30-Pack Diamond Faceted Warm White Christmas Light Bulbs Shatterproof Bright Outdoor Holiday Lights for Roofline & Trees E17 Base

Hobbynors$13.4450 rev

10mo ago

Vruxuri 25 Pack C9 LED Christmas Light Bulbs C9 Replacement Bulbs Shatterproof Dimmable for Christmas String Lights C9/E17 Base Sockets Warm White

Vruxuri$15.2355 rev

12mo ago

Vruxuri 25 Pack C9 LED Christmas Light Bulbs C9 Replacement Bulbs for Christmas String Lights Shatterproof Dimmable C9/E17 Base Sockets Warm White

Vruxuri$17.5545 rev

12mo ago

25 Pack C9 Replacement Bulbs 7W Incandescent Clear Night Light Bulbs for Outdoor String Lights Clear Christmas Bulbs for Porch Patio Garden Wedding Decor Warm White E17 Intermediate Base

Kivonfa$15.5963 rev

1y ago

CHYSUPER 25Pack C9 Replacement Bulbs Clear Warm White LED Christmas Bulbs for Outdoor String Lights Patio Holiday Tree Decor Waterproof Shatterproof E17 Base

CHYSUPER$12.3017 rev

1y ago

What buyers say about c9 replacement bulbs

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

What buyers love

Brightness/Shine/Glow30%

“very nice and bright”

Value For Money13%

“worth every penny”

Color11%

“The colors are very vibrant”

Quality-Overall10%

“They seem well made”

Size-Overall9%

“Perfect match”

Advertised Vs Actual Product4%

“work as expected”

Durability4%

“are less likely to break”

Strength2%

“they are sturdy”

Assembly/Installation2%

“Installation was simple”

Efficiency1%

“Worked great”

What buyers complain about

Color25%

“Color faded”

Size-Overall22%

“doesn't fit”

Brightness/Shine/Glow7%

“they didnt light up”

Functionality-Overall6%

“not all work”

Defective Material/Parts6%

“Damaged product”

Thickness4%

“A little thinner glass than the old days”

Suitable For Outdoor2%

“Dont purchase for outdoor”

Quality-Overall2%

“Terrible quality”

Value For Money2%

“the price is too high”

Hard Feel2%

“Its actually hard plastic and not glass”

Top return reasons

Size-Overall65%

Bulb Flicker/Dimming/Color7%

Color7%

Advertised Vs Actual Product6%

Brightness/Shine/Glow3%

Value For Money2%

Functionality-Overall2%

Compatibility-Overall2%

Defective Material/Parts2%

Socket/Port/Plug1%

Common questions

Is c9 replacement bulbs profitable to sell on Amazon United States?: The niche generates $284K/yr across 74 tracked products. 0 of 7 products launched in the last 360 days are still selling. 90-day search growth is +0.1%. Flapen's verdict: Worth a look (57/100).
How competitive is the c9 replacement bulbs niche?: 37 brands and 42 sellers compete. The top 5 products take 26% of clicks and top 5 brands hold 51% of demand.
What do buyers complain about in c9 replacement bulbs?: Top complaints mined from reviews: Color, Size-Overall, Brightness/Shine/Glow. The return rate is 6.5% — above our launch gate.
When does demand for c9 replacement bulbs peak?: Demand peaks in Nov–Dec; the busiest month runs 36.6× the quietest.
What does it cost to enter the c9 replacement bulbs niche?: Listings span $11.29–$35.84; the average listing price is $18.97 (sweet spot $15–$100). The average incumbent carries 676 reviews — the moat a new listing must climb.