---
title: "120v 40w Bulb — $109K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/tools-home-improvement/120v-40w-bulb"
last_updated: "2026-08-08T07:54:38.742Z"
locale: en
meta:
description: "Niche score 44/100 · $109K/yr market · 140K searches/yr · $8.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · $109K/yr market · 140K searches/yr · $8.99 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "120v 40w Bulb — $109K/yr Amazon US Niche (2026) - Flapen"
---
# **120v 40w bulb**
**Skip it**
Prices mostly outside the sweet spot ($5.78–$13.35) — this niche doesn't clear our bar today.
Market size 26Growth 15Conversion 81Competition 54Returns 77Price range 0Avg price 25Brand share 80Review moat 37Quality gap 25
**Conversion**
**Great****8.6%**
search→purchase rate — share of searches ending in a sale
**Brand share**
**Great****55%**
top-5 brand share — no brand owns this niche
**Returns**
**Great****1.9%**
return rate — above 5% kills the launch gate
**Competition**
**Good****52%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,841.97**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$109K**
$109K/yr · 140K searches
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Okay****$8.99**
avg listing price — sweet spot $15–$100
**Growth**
**Bad****-20.0%**
90-day search growth — must beat 0% to launch
**Price range**
**Bad****$5.78–$13.35**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
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 ~~](https://flapen.com/research/methodology)
## **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.
4K3KSpike '24Black Friday '24Black Friday '25Holiday '25 seasonSepDecMarJunAugNovMarMay
Peak months: Nov · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/tools-home-improvement/120v-40w-bulb/trend)
## **Top 120v 40w bulb search terms**
- **120v 40w bulb**45K/yr-20.6%6.9% conv. - **40w 120v light bulb**19K/yr-18.3%6.8% conv. - **ge 120v 40w bulb**10K/yr-33.6%8.4% conv. - **ge120v40w light bulb**6K/yr-8.0%6.4% conv. - **plc 40w 120v light bulb**8K/yr-20.9%4.7% conv. - **syl 40w 120v light bulb**4K/yr+14.9%7.5% conv. - **120v40w light bulb**5K/yr+3.7%5.3% conv. - **120 v 40 w light bulb**6K/yr-44.7%7.8% conv. - **feit 120v 40w**5K/yr-25.1%7.8% conv. - **ge 120v 40w**4K/yr-10.8%5.6% conv. [**All search terms **](https://flapen.com/research/us/tools-home-improvement/120v-40w-bulb/search-terms)
## **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.
0%5%$5K10%$11K15%$16K20%$22K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
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
[1**Jslinter 40 watt Appliance Oven Light Bulb - High Temp - 120v Clear - 415 Lumens - E26/E27 Medium Brass Base - G45 4-Pack**Jslinter**$9.81**4.5★5,284 rev](https://www.amazon.com/dp/B07DRGS6XC) [2**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**$6.94**4.5★1,170 rev](https://www.amazon.com/dp/B0C3J8PRMC) [3**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**$7.61**4.7★18,622 rev](https://www.amazon.com/dp/B07RZ8QXF1) [4**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**$9.05**4.6★1,093 rev](https://www.amazon.com/dp/B0C4XKDWTZ) [5**GE Incandescent 40 Watt Soft White A15 Appliance Bulbs 2 Pack**GE**$7.77**4.6★6,654 rev](https://www.amazon.com/dp/B079ZJHZ5Q)
**~~View all top sellers →~~**
### **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**$6.14**252 rev6mo ago](https://www.amazon.com/dp/B0FTTXCM4J) [**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**$12.93**282 rev1y ago](https://www.amazon.com/dp/B0DTK84P3C) [**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**$5.96**1,184 rev1y ago](https://www.amazon.com/dp/B0DXF5KS1Q) [**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**$9.96**1,145 rev1y ago](https://www.amazon.com/dp/B0DHTPDYDT) [**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**$11.51**978 rev2y ago](https://www.amazon.com/dp/B0D86TMZ66)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Sylvania Incandescent G25 E26 Globe 40 Watt Vanity Light Bulbs 3 Pack**LEDVANCE**$10.97**4.5★**▲ 194%**](https://www.amazon.com/dp/B00LX7FMRU) [**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**$9.96**4.5★**▲ 160%**](https://www.amazon.com/dp/B0DHTPDYDT) [**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**$12.93**4.7★**▲ 153%**](https://www.amazon.com/dp/B0DTK84P3C) [**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**$9.61**4.7★**▲ 147%**](https://www.amazon.com/dp/B0BGPSK279) [**Potanro E12 Incandescent Candelabra Light Bulbs 40Watt Warm White 2700K**Potanro**$10.08**4.6★**▲ 144%**](https://www.amazon.com/dp/B0D5YJTCC5)
**~~View all trending →~~**
## **What buyers say about 120v 40w bulb**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Brightness/Shine/Glow**38%
*“Bright light”*
**Value For Money**13%
*“Great deal”*
**Advertised Vs Actual Product**10%
*“As described”*
**Size-Overall**8%
*“Fits how it should”*
**Quality-Overall**7%
*“Excellent quality”*
**Bulb Flicker/Dimming/Color**6%
*“Great Bulbs”*
**Assembly/Installation**3%
*“Easy Install”*
**Efficiency**3%
*“Works great, dimmable”*
**Durability**2%
*“Durable”*
**Color**2%
*“These are a nice color”*
### **What buyers complain about **
**Durability**29%
*“Didnt last”*
**Quality-Overall**10%
*“cheap quality”*
**Bulb Flicker/Dimming/Color**9%
*“NOT Dimmable”*
**Size-Overall**7%
*“To big”*
**Brightness/Shine/Glow**6%
*“Too bright”*
**Value For Money**5%
*“Not worth the lower price”*
**Functionality-Overall**5%
*“Not fully functional three pieces”*
**Baking**3%
*“clearly not for ovens as claimed”*
**Compatibility-Overall**2%
*“They are not compatible as advertised”*
**Color**2%
*“The color is not really to my liking”*
### **Top return reasons **
**Size-Overall**53%
**Bulb Flicker/Dimming/Color**13%
**Brightness/Shine/Glow**8%
**Color**7%
**Advertised Vs Actual Product**5%
**Compatibility-Overall**5%
**Functionality-Overall**3%
**Defective Material/Parts**2%
**Value For Money**2%
**Product Condition**0%
## **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.
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