Lighting: HitLights A15 Warm White (2700K) Application 4W LED Light Bulb, Household E26 Base, 2 Pcs Pack - HitLights
Lighting: LED Filament A19 4W to Replace 40W Incandescent Bulb Soft White (2700K) - LED2020
Lighting: LE 4W GU5.3 MR16 LED Bulb, Equal to 40W Halogen Bulb,12 VAC/DC, Flood Beam Angle, Warm White, Pack of 5 Units
Automotive Parts and Accessories: Zitrades 10pcs BA9S 5 SMD 5050 LED Car Wedge Light Bulbs 1895 T4W 1445 6253 White Color By zitrades - Zitrades
Home Improvement: Lighting EVER Dimmable 4W GU10 LED Bulbs, 35W Equivalent, Recessed Lighting, Track Lighting, Warm White - Lighting EVER
Home: LENBO 10PCS/LOT Dimmable LED Bulb Light MR16 Lamp 12V AC/DC LED lights lamps Spotlight 4W Cool White Warm White 3000K 6000K - 50Watt Equivalent 4000 Lumen 60 Degree Beam Angle for Landscape, Recessed, Track Lighting Ship From USA (Warm White) - LENBO
Lighting: Lemonbest? Energy Saving Dimmable 4W 4x1W GU10 LED Spotlight Bulb 110V, Cool White - Lemonbest?
Lawn & Patio: Amerlight TM 4W Red Led Plant Grow Light Bulb 110V - Amerlight
Lighting: JACKY LED 100% Original Super Bright Epistar Chips Gu10 12W Warm White Rotundity Gu10 LED Light 3*4W 12W Lamp Bulb 265V - JACKY LED (All items shipped from USA)
Home: DC12V 2.4W 12 SMD LEDs G4 Warm White Light LED Bulb - QLPD
Home: Bao Xin ] Ultra Slide 4W Pure White GU10 LED Bulbs 6000K Energy Saving and Perfect for Replacing 40-50 W Halogen Bulbs (50X65MM) (4 piece) - BXT
Lighting: TORCHSTAR 12V 4W Dimmable MR16 LED Bulb - 3200K Warm White LED Spotlight - 50Watt Equivalent Bi Pin GU5.3 Base - 330 Lumen 60 Degree Beam Angle for Landscape, Accent, Recessed, Track Lighting - TORCHSTAR
Lighting: Anyray (2-Pack) LED Night Light bulb, 0.36 Watt C7 (4W 5W 6W 7W Replacement) E12 Candelabra Base, 120V Warm White Color - Anyray
Home Improvement: Led World 10 Pcs Dimmable GU10 Warm White 4W LED Spot Light Bulbs 4x1W Lamp Globe 110V - Led World
Automotive Parts and Accessories: 10 Pcs BA9S White 5 5050-SMD LED Car Light Bulbs 1895 T4W 1445 6253 - Amico
Art and Craft Supply: 2x CAN BUS Xenon White 10 LED Light Bulb Car Truck 3883x BA9S T4W H6W 363 L126 @ 182,257,363,1445,1895,6257 Compare To Sylvania Osram Phillips PIAA - Adabele
CE: Bao Xin ] 4W GU10 Warm Light LED Bulbs 3200K Energy Saving Perfect for Replacing 40- 50W Halogen Bulbs (50X65 MM) (4 Pieces) - Bao Xin
Lighting: LE 4W GU5.3 MR16 LED Bulb, Equal to 50W Halogen Bulb, 12 VAC/DC, Cutting Edge Design, 310lm, Warm White, Pack of 5 Units
Home: Liying LED MR16 3200K Warm White Spotlight 12V 4W Super Bright Light Bulb lamp (12*MR16 4W Warm White) - Liying
Shoes: E27 4-LED 4W 360LM White LED Candle Bulbs (85-265V)
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Led Bulb 4W Popular Q&A
Q: The old bulbs were 12v 20w, the new led bulbs are 12v 4w, could i...
A: Transformers for a halogen spot are much more powerful,typically delivering 50 watts minimum at 12 volts. If you connect them to an LED lamp that only takes a f... Read More »
Q: Is it normal that 4W LED bulbs generate equal warmth as 35W halog...
A: They should not, electricity produces 3.4 BTU's per watt. Is the glass surface area the same, or is the glass smaller on the LED concentrating the heat on a sma... Read More »
Q: How to Build an LED Bulb.
A: 1. Solder the LEDs in series by connecting their leads and a chain, with each diode soldered to the positive or negative lead of its neighbor except for the fir... Read More »
Q: How to Recycle LED Bulbs.
A: 1. Contact your local recycling center and ask if they have special LED bulb restrictions. Because LED bulbs don't contain mercury and aren't considered a hazar... Read More »
Q: What is the cost of led bulbs?
A: $1000 if you want it to be second hand other wise i'd say round about $5000. Read More »
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