Best Seller B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack
B10 E12 LED bulb specification chart showing 4W, 2700K warm white light, and technical performance details.
Infographic showing B10 shape and E12 base dimensions for Christmas LED bulbs.
Two B10 E12 LED bulbs showing dimmable light intensity levels from 25% to 100% and various color temperatures.
B10 E12 LED filament bulb showing high CRI 85 color rendering comparison chart.
BlueStars 4W B10 E12 LED filament bulb comparison graphic against a 40W incandescent bulb.
Infographic showing B10 E12 LED bulbs used in chandeliers, ceiling fans, and bathroom vanity lighting.
BlueStars B10 E12 LED bulb with clear glass and visible filaments in front of 12-pack product packaging.
Lighting Facts label for B10 E12 LED bulb showing 440 lumens, 2700K warm color, and 4-watt energy usage.
Pack of 12 B10 E12 clear glass LED filament Christmas bulbs arranged in two rows.
B10 E12 LED bulb specification chart showing 4W, 2700K warm white light, and technical performance details.
Infographic showing B10 shape and E12 base dimensions for Christmas LED bulbs.
Two B10 E12 LED bulbs showing dimmable light intensity levels from 25% to 100% and various color temperatures.
B10 E12 LED filament bulb showing high CRI 85 color rendering comparison chart.
BlueStars 4W B10 E12 LED filament bulb comparison graphic against a 40W incandescent bulb.
Infographic showing B10 E12 LED bulbs used in chandeliers, ceiling fans, and bathroom vanity lighting.
BlueStars B10 E12 LED bulb with clear glass and visible filaments in front of 12-pack product packaging.
Lighting Facts label for B10 E12 LED bulb showing 440 lumens, 2700K warm color, and 4-watt energy usage.
Pack of 12 B10 E12 clear glass LED filament Christmas bulbs arranged in two rows.

B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack

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4W B10 E12 Dimmable LED Candle Bulb (40W Equivalent) - 2700K Warm White

Key Features

  • Bulb Shape: B10
  • Base Type: E12 Candelabra
  • Power Consumption: 4W
  • Incandescent Equivalent: 75W
  • Light Output: 440 lumens
  • Color Temperature: 2700K (Soft White)
  • Color Rendering Index (CRI): >85
  • Voltage Range: 75V - 130V
  • Beam Angle: 270 degrees
  • Dimmable: Yes, compatible with most LED dimmers
  • Construction: Clear glass with filament design

Replaces / Cross-Reference Part Numbers

  • Replaces 40W, 60W, and 75W incandescent B10 or C10 bulbs with an E12 base.
  • Serves as an LED alternative for B10 bulbs from brands including Feit Electric, MaxLite, and Euri.

Compatibility & Fitment

  • Fits all standard E12 candelabra base sockets.
  • Suitable for use in chandeliers, wall sconces, decorative lamps, and enclosed fixtures.
  • Engineered for standard North American electrical systems (75V-130V).
  • For dimming functionality, use with a compatible LED dimmer switch is required.

When to Replace

  • Existing bulb has burned out or fails to illuminate.
  • Persistent flickering or audible buzzing from the current bulb.
  • Significant reduction in brightness from the original output.
  • Upgrading from incandescent bulbs to improve energy efficiency.

Installation Tips

  • Turn off power to the light fixture at the switch or circuit breaker before installation.
  • Allow the previous bulb to cool completely before touching it.
  • Handle the new bulb by its base to keep the glass clean.
  • Screw the bulb into the socket until it is snug. Do not overtighten.
  • After installation, restore power and test the bulb's functionality.
B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 1
B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 2
B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 3
B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 4
B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 5
  • B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 1

    PERFECT FIT

    BlueStars B10 E12 LED Light Bulb is great for Chandeliers, Ceiling Fans, Wall Sconces, Pendant Lights, Foyer Lights, etc.
  • B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 2

    SUPERIOR QUALITY

    BlueStars B10 E12 LED Light Bulb ensures to comply with strict criteria, including measurements for flicker, strobe, glare, and color rendition.
  • B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 3

    SAVING SOLUTION

    BlueStars uniquely combines superior quality, sustainable design, and an unrivaled budget value.
  • B10 E12 LED Bulbs 4W 2700K Warm White - 40W Equivalent, Dimmable - 12 Pack 4

    SIMPLE INSTALLATION

    Featuring a traditional shape and compatible with an E12 American standard base, it can be easily integrated into any standard E12 lighting fixture.
ENLIGHTEN YOUR VISION

ENLIGHTEN YOUR VISION

Experience the transformation that BlueStars brings to your spaces. Step into a brighter future right now!

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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Brand
‎BlueStars
Light Type
‎LED
Special Feature
‎Dimmable, Energy Efficient, Eye-Friendly, Flicker-Free, Long Lasting
Wattage
‎4 Watts
Bulb Shape Size
‎B10
Bulb Base
‎E12
Incandescent Equivalent Wattage
‎40 Watts
Specific Uses For Product
‎Decoration
Light Color
‎Warm White
Voltage
‎1.3E+2 Volts
Color Temperature
‎2700 Kelvin
Number of Items
‎12
Brightness
‎440 Lumen
Shape
‎Bullet
Material
‎Plastic
Indoor/Outdoor Usage
‎Indoor
Power Source
‎Corded Electric
Color Rendering Index
‎85
Beam Angle
‎270 Degrees
Power Consumption
‎4 Watts
Light Source Type
‎Led
Item Weight
‎0.29 Kilograms
Light Source Wattage
‎4 Watts
Accepted voltage frequency
‎100 to 120 Volts and 60 Hertz
Average Life
‎20000 Hours
White Brightness
‎440 Lumens
Efficiency
‎High
Style
‎2700K
Manufacturer
‎BlueStars
Color
‎Clear Glass
Light Output Maximum
‎440 Lumens
Part Number
‎B10 E12 4W 2700K PO12
Item Weight
‎10 ounces
Package Dimensions
‎5.94 x 4.57 x 4.49 inches
Finish types
‎Clear

FAQs

B10 refers to the shape and size of the bulb. The 'B' stands for a blunt-tip candle shape, and the '10' indicates the diameter of the bulb is 10/8 of an inch (1.25 inches) at its widest point. These are standard dimensions for candelabra-style fixtures.
These bulbs are designed to be compatible with most standard LED-rated dimmer switches. To ensure smooth dimming performance without flickering or buzzing, we recommend using a dimmer specifically designed for LED loads.
A 2700K color temperature produces a warm, soft white light. This is the industry standard for creating a cozy, inviting atmosphere, making it ideal for living rooms, dining areas, and bedrooms.
While these bulbs are energy-efficient and produce significantly less heat than traditional incandescent bulbs, we recommend using them in open fixtures to ensure proper airflow and maximize the lifespan of the internal LED driver.
These 4W LED bulbs provide the same light output as a 40W incandescent bulb while consuming 90% less energy. They offer an immediate replacement for standard E12 candelabra base bulbs without sacrificing brightness.