120v 40w bulb
Skip itPrices mostly outside the sweet spot ($5.78–$13.35) — this niche doesn't clear our bar today.
Conversion
Great8.6%search→purchase rate — share of searches ending in a sale
Brand share
Great55%top-5 brand share — no brand owns this niche
Returns
Great1.9%return rate — above 5% kills the launch gate
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Review moat
Okay2,841.97avg incumbent reviews — the moat a new listing must climb
Market size
Okay$109K$109K/yr · 140K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Okay$8.99avg listing price — sweet spot $15–$100
Growth
Bad-20.0%90-day search growth — must beat 0% to launch
Price range
Bad$5.78–$13.35cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 120v 40w bulb is a $109K/yr Amazon United States market (140K searches/yr). The top 5 brands hold 55% of demand. Demand peaks in Nov. Verdict: Skip it — 44/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
120v 40w bulb market data
- Units sold / yr
- 13K–15K
- avg 250–500/product
- Revenue / yr
- $112K–$135K
- units × avg price
- Conversion rate
- 8.6%
- Avg BSR
- #142
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 0.0%
- Avg brand age
- 53 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
26 rising
Sellers
75
Top-5 brand share
55%
Top 20: 94%
Top-5 click share
52%
Top 20: 85%
Open market
40%
- Jslinter16%
- SerBion15%
- Vgogfly8%
- GE8%
- CYLYT7%
- COLWATT5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -20.0% search growth over the last 90 days.Peak months: Nov · busiest ÷ quietest = 1.6×
Top 120v 40w bulb search terms
- 120v 40w bulb45K/yr
- 40w 120v light bulb19K/yr
- ge 120v 40w bulb10K/yr
- ge120v40w light bulb6K/yr
- plc 40w 120v light bulb8K/yr
- syl 40w 120v light bulb4K/yr
- 120v40w light bulb5K/yr
- 120 v 40 w light bulb6K/yr
- feit 120v 40w5K/yr
- ge 120v 40w4K/yr
Top 120v 40w bulb 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
Jslinter 40 watt Appliance Oven Light Bulb - High Temp - 120v Clear - 415 Lumens - E26/E27 Medium Brass Base - G45 4-Pack
Jslinter$9.814.5★5,284 rev

SerBion 40 Watt Light Bulbs E12 Candelabra Base 120Volt Round Light Bulb for Chandelier Table Lamp Wall Sconces Candle Lamp Wax Melter (Soft Warm White)
SerBion$6.944.5★1,170 rev

Vgogfly LED Refrigerator Light Bulb 40W Equivalent 120V A15 Fridge Waterproof Bulbs 5 W Daylight White 5000K E26 Medium Base Freezer Home Lighting Lamp Non-dimmable(2 Pack)
Vgogfly$7.614.7★18,622 rev

CYLYT 12-Pack E12 Candelabra Light Bulbs 40W Warm White 2500K 380 Lumen Chandelier Light Bulb for Ceiling Fan Indoor or Outdoor B10 Clear Incandescent Candle Bulbs Dimmable
CYLYT$9.054.6★1,093 rev

GE Incandescent 40 Watt Soft White A15 Appliance Bulbs 2 Pack
GE$7.774.6★6,654 rev
Newest
by launch date
PARTPHONER 5W LED Refrigerator Light Bulbs 40 Equivalent A15 Small Applicance Light Bulb E26 Medium Base 120V Waterproof Fridge Bulbs Daylight White Freezer Home Lighting Lamp Non-dimmable 2 Pack
PARTPHONER$6.14252 rev

TJOY G25 LED Globe Light Bulbs Vanity Light Bulb for Bathroom 40W Equivalent 5000K Daylight White E26 Base Round Decorative Bulb for Vanity Makeup Mirror CRI85+ 450LM Non-Dimmable UL 4 Pack
TJOY$12.93282 rev

LOXYEE LED Refrigerator Light Bulb 2 PackDaylight White 5000K 120V 40W Equivalent Appliance BulbA15 5W E26 Base Waterproof Fridge Light Bulbs for Freezer Home Lighting Small Light Bulb Dimmable
LOXYEE$5.961,184 rev

E12 B10 Clear Candle Base Bulb with Warm White 2700K 40W Candelabra Light Bulbs 400 Lumen Dimmable 120V Incandescent Chandelier Light Bulbs for Pendants Ceiling Fan Wall Sconces (12-Pack)
SerBion$9.961,145 rev

Brtstiun G25 LED Light Bulb Round Vanity Light Bulbs for Bathroom 40W LED Equivalent Daylight White 5000K Globe Light Bulbs E26 Base 600LM Non-Dimmable 4-Pack
Brtstiun$11.51978 rev
Trending
90-day click momentum
Sylvania Incandescent G25 E26 Globe 40 Watt Vanity Light Bulbs 3 Pack
LEDVANCE$10.974.5★

E12 B10 Clear Candle Base Bulb with Warm White 2700K 40W Candelabra Light Bulbs 400 Lumen Dimmable 120V Incandescent Chandelier Light Bulbs for Pendants Ceiling Fan Wall Sconces (12-Pack)
SerBion$9.964.5★

TJOY G25 LED Globe Light Bulbs Vanity Light Bulb for Bathroom 40W Equivalent 5000K Daylight White E26 Base Round Decorative Bulb for Vanity Makeup Mirror CRI85+ 450LM Non-Dimmable UL 4 Pack
TJOY$12.934.7★

E12 LED Candelabra Bulbs 40 Watt Equivalent 4W Vintage Candle Light Bulbs Dimmable 470Lm Warm White 2700K B10 Edison Bulb Filament Clear Glass Lamp Bulb for Chandelier Ceiling Fan (5 Packs)
Brightever$9.614.7★

Potanro E12 Incandescent Candelabra Light Bulbs 40Watt Warm White 2700K
Potanro$10.084.6★
What buyers say about 120v 40w bulb
What buyers praise and complain about, mined from review topics.What buyers love
“Bright light”
“Great deal”
“As described”
“Fits how it should”
“Excellent quality”
“Great Bulbs”
“Easy Install”
“Works great, dimmable”
“Durable”
“These are a nice color”
What buyers complain about
“Didnt last”
“cheap quality”
“NOT Dimmable”
“To big”
“Too bright”
“Not worth the lower price”
“Not fully functional three pieces”
“clearly not for ovens as claimed”
“They are not compatible as advertised”
“The color is not really to my liking”
Top return reasons
Common questions
- Is 120v 40w bulb profitable to sell on Amazon United States?
- The niche generates $109K/yr across 34 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -20.0%. Flapen's verdict: Skip it (44/100).
- How competitive is the 120v 40w bulb niche?
- 26 brands and 75 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 55% of demand.
- What do buyers complain about in 120v 40w bulb?
- Top complaints mined from reviews: Durability, Quality-Overall, Bulb Flicker/Dimming/Color. The return rate is 1.9%.
- When does demand for 120v 40w bulb peak?
- Demand peaks in Nov; the busiest month runs 1.6× the quietest.
- What does it cost to enter the 120v 40w bulb niche?
- Listings span $5.78–$13.35; the average listing price is $8.99 (sweet spot $15–$100). The average incumbent carries 2,842 reviews — the moat a new listing must climb.