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53

replacement bulbs for outdoor string lights

Worth a look

Shows searches that convert (9.0% search→purchase), but strong incumbent ratings (4.7★) keeps it on the watch list.

Market size 72Growth 63Conversion 83Competition 22Returns 61Price range 75Avg price 83Brand share 30Review moat 36Quality gap 19

Conversion

Great9.0%

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

Avg price

Great$18.25

avg listing price — sweet spot $15–$100

Price range

Great$9.44–$31.37

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

Market size

Good$785K

$785K/yr · 476K searches

Growth

Good+40.3%

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

Returns

Good2.6%

return rate — above 5% kills the launch gate

Review moat

Okay2,880.31

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay87%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, replacement bulbs for outdoor string lights is a $785K/yr Amazon United States market (476K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in May–Jun. Verdict: Worth a look — 53/100.

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

replacement bulbs for outdoor string lights market data

Units sold / yr
40K–50K
avg 2,500–3,000/product
Revenue / yr
$730K–$913K
units × avg price
Conversion rate
9.0%
Avg BSR
#195
Page quality
0%
Prime
100%
Sponsored
100%
Out of stock
0.0%
Avg brand age
47 months
Avg seller age
177 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

19

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

10%

  • Meconard38%
  • GvvooHome20%
  • CLSETAIC17%
  • Jslinter8%
  • Mlambert4%
  • Moonflor3%
  • Open — no brand owns it (5 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +40.3% search growth over the last 90 days.
15K10KHoliday '24Spike '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun · busiest ÷ quietest = 2.5×

Top replacement bulbs for outdoor string lights search terms

  • replacement bulbs for outdoor string lights60K/yr
  • string light bulbs54K/yr
  • outdoor string light bulbs43K/yr
  • string light bulbs replacement48K/yr
  • s14 bulbs for outdoor string lights36K/yr
  • string light replacement bulbs31K/yr
  • replacement bulbs for string lights35K/yr
  • outdoor string light replacement bulbs19K/yr
  • patio light bulbs17K/yr
  • bulbs for outdoor string lights14K/yr
All search terms

Top replacement bulbs for outdoor string lights 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%$78K20%$157K30%$235K40%$314K101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 16 tracked products in this niche — three views at once, no toggling.

What buyers say about replacement bulbs for outdoor string lights

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

What buyers love

Brightness/Shine/Glow31%

“Great light”

Value For Money17%

“Great Value”

Size-Overall9%

“Fit perfect”

Quality-Overall9%

“So far they seem to be good quality and work as expected with a nice, consistent light”

Advertised Vs Actual Product6%

“As advertised”

Durability6%

“they are holding up very well”

Bulb Flicker/Dimming/Color3%

“The bulbs are clear and bright”

Color3%

“Color is a bright”

Efficiency2%

“Worked perfectly in our yard”

Assembly/Installation2%

“Easy to install”

What buyers complain about

Durability14%

“Break”

Functionality-Overall11%

“Not all lights working”

Brightness/Shine/Glow10%

“not bright enough for my liking”

Size-Overall9%

“They are small in size”

Bulb Flicker/Dimming/Color9%

“Not as bright as others Ive bought”

Quality-Overall8%

“Extremely low quality”

Defective Material/Parts3%

“3 of the 15 bulbs arrived with defects”

Water Resistance3%

“wish the rain water would not get in the bulbs”

Compatibility-Overall3%

“Not sure if they are compatible like it stated”

Advertised Vs Actual Product3%

“This seems like deceptive marketing”

Top return reasons

Size-Overall61%
Bulb Flicker/Dimming/Color11%
Advertised Vs Actual Product6%
Compatibility-Overall6%
Functionality-Overall5%
Brightness/Shine/Glow5%
Color3%
Defective Material/Parts1%
Value For Money1%
Socket/Port/Plug1%

Common questions

Is replacement bulbs for outdoor string lights profitable to sell on Amazon United States?
The niche generates $785K/yr across 16 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +40.3%. Flapen's verdict: Worth a look (53/100).
How competitive is the replacement bulbs for outdoor string lights niche?
11 brands and 19 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in replacement bulbs for outdoor string lights?
Top complaints mined from reviews: Durability, Functionality-Overall, Brightness/Shine/Glow. The return rate is 2.6%.
When does demand for replacement bulbs for outdoor string lights peak?
Demand peaks in May–Jun; the busiest month runs 2.5× the quietest.
What does it cost to enter the replacement bulbs for outdoor string lights niche?
Listings span $9.44–$31.37; the average listing price is $18.25 (sweet spot $15–$100). The average incumbent carries 2,880 reviews — the moat a new listing must climb.