4 pin light bulbs
Skip itPrices mostly outside the sweet spot ($5.06–$10.91) — this niche doesn't clear our bar today.
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Review moat
Great292.81avg incumbent reviews — the moat a new listing must climb
Conversion
Great9.2%search→purchase rate — share of searches ending in a sale
Competition
Okay58%top-5 click share — leaders hold, buyers still browse
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Returns
Bad6.0%return rate — above 5% kills the launch gate
Avg price
Bad£7.69avg listing price — sweet spot $15–$100
Market size
Bad£38K£38K/yr · 54K searches
Growth
Bad-32.9%90-day search growth — must beat 0% to launch
Price range
Bad£5.06–£10.91cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, 4 pin light bulbs is a £38K/yr Amazon United Kingdom market (54K searches/yr). The top 5 brands hold 81% of demand. Demand peaks in Jan–Feb–Oct–Nov–Dec. Verdict: Skip it — 38/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
4 pin light bulbs market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £46K–£62K
- units × avg price
- Conversion rate
- 9.2%
- Avg BSR
- #164
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 96%
- Out of stock
- 4.0%
- Avg brand age
- 37 months
- Avg seller age
- 190 days
Competition & brand share
The top 5 products take 58% of clicks — established leaders, but buyers still shop beyond them.Brands
15 falling
Sellers
27
Top-5 brand share
81%
Top 20: 100%
Top-5 click share
58%
Top 20: 94%
Open market
14%
- Quebec24%
- Akynite20%
- Bynome16%
- Liuyife14%
- Ddlisu7%
- B4U5%
- Open — no brand owns it (9 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -32.9% search growth over the last 90 days.Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 3.6×
Top 4 pin light bulbs search terms
- 4 pin light bulbs32K/yr
- 4 pin bulb6K/yr
- 4 pin light bulb4K/yr
- 4pin light bulb6K/yr
- square light bulb3K/yr
- 4 pin led bulb3K/yr
Top 4 pin 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Bynome GR10q 4-Pin 16W CFL Light Bulb 6500K Daylight White 2D 1800LM
Bynome£6.323.9★123 rev
Quebec 16W 2D Square 4-Pin GR8 Cap Compact Fluorescent Lamp Warm White 3500K Non-Dimmable CFL Light Bulb Energy Class A AC 240V DD Flat Butterfly Bulb for Flush Mount Ceiling Lighting 8000 Hours
Quebec£7.534.1★448 rev
Quebec 28W GR10q CFL 2D Butterfly Bulb 2000LM 3500K Warm White 10000H Lifespan Energy Class A 220V 20x20cm Compact Ceiling Light for Home & Office (28W 4 Pin 3500K)
Quebec£8.314.0★411 rev
Akynite 13W Energy Saving 4 Pin Compact Fluorescent Lamp CFL G24q-1 4 Pins 830 Warm White 2700k 850LM 2U Shape AC 220-240V 2pcs (protrusions are Aligned)
Akynite£8.494.5★234 rev
13W G24q-1 Compact Fluorescent Lamp 4 Pin Warm White 2700K 850LM 2U Double Tube Energy Saving Lamp 220V PLC CFL Light Bulb Non-DimmableSuitable for Corridor Bathroom Bedroom Kitchen 1 Pack
Liuyife£5.064.4★240 rev
Newest
by launch date
Summalux GR10Q 4 PIN 16W 2D Light Bulb Small 4 Pin Square Bulb CFL Compact Fluorescent Lamp 4 Pins Butterfly Bulb Low Energy Light Bulb for Flush Ceiling Light 3500K Warm White Non-Dimmable
Summalux£5.435 rev
BrightWish 13W G24q-1 4 Pin Light Bulbs Energy Saving 4 Pin Compact Fluorescent Bulb 830Lm Cool White 4000K 2U Shape Non-Dimmable Suitable for Corridor Bathroom Bedroom Kitchen 2 Pack
BrightWish£8.3438 rev
2PCS 4 Pin G24q-2 18W PLC CFL Compact Fluorescent Lamp Energy Saving Light Bulbs 2U 1500LM Double Tube Warm White 2700K Non-Dimmable AC 220-240V for Bathroom Bedroom Corridor Kitchen Office Hallway
AETPI£5.745 rev
KENIU Plug & Play LED Bathroom Light Bulbs GR10q 4-Pin 950lm 7w Replacement 2D 3500k 16w CFL Works with ECG/CCG ballasts Instant Start Flicker-Free 50000h (3000K/Warm White)
KENIU£10.9184 rev
BrightWish 13W G24q-1 4 Pin Light Bulbs Compact Fluorescent Lamp CFL Light Bulb Warm White 2700K 2U Double Tube Energy Saving Lamp Non-Dimmable 850LM AC220V-240V 2 Pack
BrightWish£8.2038 rev
Trending
90-day click momentumSummalux GR10Q 4 PIN 16W 2D Light Bulb Small 4 Pin Square Bulb CFL Compact Fluorescent Lamp 4 Pins Butterfly Bulb Low Energy Light Bulb for Flush Ceiling Light 3500K Warm White Non-Dimmable
Summalux£5.433.9★
JQslight 28W Compact Fluorescent Lamp GR10q 4-Pin BulbCFL Light Bulb 3500K Warm White Non-DimmableAC 220VLow Energy Light Bulb for Flush Ceiling Light1 Pack.
JQslight£7.693.7★
![PLUSHA 28W 2D Square 4-Pin GR10Q Energy Saving Light Bulb Cool White 3500K | Long-Lasting & Efficient for Home Office Commercial Use | [Energy Class A]](https://m.media-amazon.com/images/I/31lx-XotQBL.jpg)
PLUSHA 28W 2D Square 4-Pin GR10Q Energy Saving Light Bulb Cool White 3500K | Long-Lasting & Efficient for Home Office Commercial Use | [Energy Class A]
PLUSHA£5.883.4★
Bynome GR10q 4-Pin 16W CFL Light Bulb 6500K Daylight White 2D 1800LM
Bynome£6.323.9★
GR10q 4 Pin 28W 3500K Warm White 2000LM Very Large Size DD Square CFL Compact Fluorescent 4 Pins Light Bulb AC 220V 4 Pin Flat Butterfly Bulb for Flush Ceiling Light 1 PACK (Ballast should >28W)
Akynite£7.314.0★
What buyers say about 4 pin light bulbs
What buyers praise and complain about, mined from review topics.What buyers love
“Warm glow”
“As Described”
“However, as for build quality, it seems to be decently good - it arrived safe, no chips or damage and it seemed to be well made”
“as described, perfect fit”
“Excellent value for money”
“Efficient”
“Easy to install”
“Bulb works well once the flickering startup has finished”
“It is easy”
“It Did the Job i have light in my bathroom”
What buyers complain about
“Broke after a few months”
“Only lasted a couple of months very poor quality”
“My bathroom light stopped working”
“A bit of flickering when switched on”
“now it just omits a very pale red light”
“Broke when fitting into light fitting”
“Waste of money”
“trying to arrange replacement a struggle”
“had came broken once very fragile”
“Build came broken”
Top return reasons
Common questions
- Is 4 pin light bulbs profitable to sell on Amazon United Kingdom?
- The niche generates £38K/yr across 26 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is -32.9%. Flapen's verdict: Skip it (38/100).
- How competitive is the 4 pin light bulbs niche?
- 15 brands and 27 sellers compete. The top 5 products take 58% of clicks and top 5 brands hold 81% of demand.
- What do buyers complain about in 4 pin light bulbs?
- Top complaints mined from reviews: Durability, Quality-Overall, Functionality-Overall. The return rate is 6.0% — above our launch gate.
- When does demand for 4 pin light bulbs peak?
- Demand peaks in Jan–Feb–Oct–Nov–Dec; the busiest month runs 3.6× the quietest.
- What does it cost to enter the 4 pin light bulbs niche?
- Listings span £5.06–£10.91; the average listing price is £7.69 (sweet spot $15–$100). The average incumbent carries 293 reviews — the moat a new listing must climb.