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2d 28w 4 Pin Light Bulb

Fail

Prices span $5.88–$11.67, mostly outside the sweet spot, so 2d 28w 4 Pin Light Bulb is a Fail.

Flapen Score
38
38 / 100
Ranks 283 of 370 Lighting niches · −9 vs the category median of 47
Market size
£66K/yr42K searches / yr
90-day growth
-38.1%search demand this quarter
Competition
69%top-5 click share · 13 brands · 29 sellers

Flapen Score

2d 28w 4 Pin Light Bulb against its category

The dotted line is the Lighting average. Past it, 2d 28w 4 Pin Light Bulb is stronger. Inside it, weaker.

38Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 2d 28w 4 Pin Light Bulb market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 2d 28w 4 Pin Light Bulb 42K times last year and spent an estimated £66K. The top 5 brands take 76% of clicks. Demand peaks in Jan–Feb. Flapen scores it 38 out of 100, a Fail.

01 · Demand

An estimated 19.7% of those searches ended in a purchase.

Shoppers searched for this 42K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 19.7% of those searches ended in a purchase. Searches in the last 90 days moved -38.1% against the 90 days before. Searches, conversion and average price together put the market at an estimated £66K a year.

Searches, last 12 months
42K
Growth, 90 days vs prior 90
-38.1%
Conversion, latest week
19.7%
Market size, estimated
£66Ka year
Peak month
February3.1× the quietest month
Top search term
28w 4 pin light bulb9K searches a year

02 · Price

A sale here is worth £8.03.

Listings sell for £8.03 on average, from £5.88 to £11.67. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 500 to 750 of them. At £8.03 that is £4K to £6K a year per listing.

Average price
£8.03under the $15 to $100 sweet spot
Price range
£5.88–£11.67
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
500–750
Revenue per listing a year
£4K–£6K
Returns
6.5%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

78% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #143 within Light Bulbs. It carries 832 reviews at 4.01 stars, so a new listing needs social proof before a better product.

Sponsored listings
78%
Prime listings
94%
Out of stock, average day
0.0%
Average rank
#143in Light Bulbs
Average rating
4.01 starsAmazon United Kingdom average 4.36 stars
Average reviews
832per listing
Listings tracked
18

04 · Newcomers

1 of last year's 3 launches cleared the first-year sales bar.

3 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 46 months on average, so the names here are settling in.

Launched, last 12 months
3
Successful launches
1Amazon's first-year sales bar
Average brand age
46 months

Products

Top 2d 28w 4 Pin Light Bulb products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 28, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 69% of clicks. Leaders hold, but buyers still shop past them.

£0£7K£13K£20K£26K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

13 falling

Sellers

29

Est. top-5 brand share

76%

Top 20: 100%

Est. top-5 click share

69%

Top 20: 100%

Open market

17%

  • Quebec23%
  • Ddlisu18%
  • Akynite14%
  • Liuyife11%
  • B4U9%
  • BELL Lighting6%
  • Open — no brand owns it (7 brands, 17%)

Demand

2d 28w 4 Pin Light Bulb search demand

Weekly searches over the year, seasonality beneath. Pick a range.

2K1KSpike '24Holiday '24Prime Day '25Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 3.1×

Search terms

Top 2d 28w 4 Pin Light Bulb search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • 28w 4 pin light bulb9K/yr
  • gr10q 4 pin 28w8K/yr
  • 4pin light bulb 28w3K/yr
  • 2d 28w 4 pin light bulb8K/yr
  • philips pl-q 28w 830 4p4K/yr
  • 28w 2d 4 pin4K/yr
  • 4 pin light bulbs 28w3K/yr
  • bathroom light bulb 4 pin 28w2K/yr

Reviews and returns

What reviews say buyers love and hate about 2d 28w 4 Pin Light Bulb

We read the reviews and the return reasons for every product selling here.

25%of positive reviews mention “Brightness/Shine/Glow”
33%of negative reviews mention “Durability”
6.5%of orders come back
“Took two days to die completely”
A buyer, on “Durability”33% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

19 topics

NegativePositive

FAQ

Common 2d 28w 4 Pin Light Bulb questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data