Home Improvement: MAGLITE ST3D116 3-D Cell LED Flashlight, Blue - MAGLITE

Musical Instruments: HitLights S Series 3 Watt MR16 Multicolor 16 Color Options and Memory Feature LED Light Bulb with Remote, E26 Base - HitLights

Wireless: RAVPower? Element 10400mAh External Battery USB Portable Charger (Dual USB Outputs, Ultra Compact Design), for iPhone 5, 5S, 5C, 4S, 4, iPad Air, 4, 3, 2, Mini 2 (Apple adapters not included); Samsung Galaxy S5, S4, S3, S2, Note 3, Note 2; HTC One, EVO, Thunderbolt, Incredible, Droid DNA, Motorola ATRIX, Droid, Moto X, Google Glass, Nexus 4, Nexus 5, Nexus 7, Nexus 10, LG Optimus, PS Vita, GoPro, Smart Watch and More - Black - RAVPower

Lighting: Brightech Kuler Bulb - 10-Watt Color Changing LED Light Bulb with Remote Control - Powered by 3 Vibrant LEDs and 10 Watts of Power, its the Brightest Multi Color LED Bulb and Mood Light. - BrightChoice

Lighting: E-Goal 3W E27 Color Changing Light Bulb With Remote - CV

Pet Products: CRZDEAL 18in 3.3w Underwater Blue LED Aquarium Light Bar Strip & Airstone for Aquarium Fish Tank Flood Lights - Aukey

Digital Device Accessory: RAVPower Dual Port 15.5W / 3.1A USB Car Charger for iPhone 6, 5s, 5c, 5, 4s, 4; iPad 5, Air, Mini; iPod Touch, Nano; Samsung Galaxy S5, S4, S3, S2, Galaxy Note 3, 2; Kindle; LG G2; Nexus 5, 7; Motorola Droid RAZR MAXX; Blackberry; Nook Color; Bluetooth Speakers and Headsets; HTC One X V S; External Batteries and More (Black) - RAVPower

Musical Instruments: TaoTronics? TT-SL007 Waterproof RGB LED Strip Light Kit (16.4 feet, 300 LEDs, 5050 SMD, 44-key Remote Controller, 72w Power Supply) - TaoTronics

Home Improvement: Esco-Lite 10W RGB Color Changing LED Flood Light With Memory Function with Ground Wire With Screw kit AC Cable 1.5M US 3-Plug for Home Outdoor Hotel Garden - ESCO LITE

Wireless: Anker? 40W 5-Port Family-Sized Desktop USB Charger with PowerIQ? Technology for iPhone 5s 5c 5; iPad Air mini; Galaxy S5 S4; Note 3 2; the new HTC One (M8); Nexus and More (White) - Fantasia Trading LLC

Lighting: NEW Blue Round Super Bright 3 Watt 6 LED Desk Lamp w Bendable Goose Neck

Automotive Parts and Accessories: Xtreme? Blue 4 LED 4 Watt Emergency Vehicle Waterproof Surface Mount Deck Dash Grille Strobe Warning Police Light Head with Clear Lens - Xtreme Work

Home Improvement: Fishing Flashlight "Zuke" - 3 Watt, Blue and White LEDs, Built-in 4000mAh Power Bank - Deals Direct

Home: LEDwholesalers MR16 LED GU5.3 4 Watt Hi Power SSC Spot Light 12V, blue,1206-blue - LED Wholesalers

Video Games: GAEMS G155 Sentry Personal Gaming Environment - GAEMS

Home Improvement: PAILIDE Super-Bright Xenon 3 Watt LED Mini Flashlight - Grace Black / Cool Blue # GL7131 - Grace black - Pailide

Home: microtivity IL188 5mm Assorted Clear LED w/ Resistors (8 Colors, Pack of 80) - microtivity

Home: SINGER Expert Finish 1700 Watt Anti-Drip Steam Iron with Brushed Stainless Steel Soleplate, LCD Electronic Settings and Smart Auto-Off - Singer

Pet Products: ViaAqua 18in 3.3 watt Blue LED Light & Airstone - Commodity Axis

Home Improvement: Feit Electric BPXN20/G8/3 Xenon 20-Watt, 120-Volt G8 Base, 3 Pack - Feit Electric

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Led 3 Watt Blue Popular Q&A

Q: Technology How do I power my 50 red 3-watt LED's and my 20 blue ...
A: I am no electrician and am having no luck searching the internet on how to power the LEDs. I am trying to build a grow light with 50 - 3 watt Red LED lights and... Read More »

Q: How many lumens in a 3 watt LED mini mag- lite?
A: it depends, lumens measures light and watts measure power. check out this article; http://wiki.renderplus.com/?title=Lumens_vs_Watts. Read More »

Q: How many watts is a cree Q3 LED?
A: To know the actual wattage multiply the voltage you put on the LED by the current going through it. If you don't have an ammeter use a 1 ohm resistor in series ... Read More »

Q: How long can you run a 13 watt led for off 3 aaa batteries?
A: That depends entirely upon the batteries - type, manufacturer etc. etc. You need to know their rating - usually in mAh. They won't last long running a 13W load. Read More »

Q: How should I wire these 3 watt LEDs and what power supply?
A: There are many ways to design your lamp system. The simplest, safest and probably cheapest way I can think of offhand is to arrange your LEDs into 3 parallel gr... Read More »