Picture of UV Maglight
Here's how to transform a regular maglite into a UV maglite using a LED. This is a very easy Instructable and may cost only a few dollars.
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Step 1: You Need...

Picture of You Need...
~Needle nose pliers
~Wire cutters
~Mini MagLite
~1/4 in drill bit

Step 2: Disassemble

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Disassemble the MagLite

Step 3: LED

Picture of LED
Resise the led's leads with pliers and hands

Step 4: Drill

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Drill the hole wider and make sure the LED fits through easily

Step 5: Reassemble

Picture of Reassemble
Insert the led into the holes and it doesn't work, switch the leads around. Then reassemble the light together.

Step 6: Now you are

Picture of Now you are
snogold1 month ago
I grabbed the led from my local radio shack and followe but the uv led seems to lack any real brightness, i have a standard mini mag led flashlight x2 AA

Led are

Wavelenght 405nm typ
Viewing angle 20 degrees
Fw current 20mA
Fw supply 3.3V typical 4.0V max

Any ideas to help would be great email me at or here i dont know if it will notify me of replies
spanky4672 years ago
took me about 15-20 minutes to do this conversion, and it works great. My UV maglite will be a part of my toolbox now.. ready to spot leaks in the A/C

Radio Shack has the UV LED. It is part #276-0014, and is in the LED parts bin. $1.99 for 2 LED bulbs.

I would recommend that when you drill out the reflector, you do it with gradually larger bits until you get to the final bit size of 7/32, that way you avoid cracking the plastic reflector housing. Take care in not cutting the leads of the LED too short so that it will fit through the bulb mounting plate and into the flashlight terminal leads.
Awsome, where do you get a UV LED though?
In the netherlands I can buy them at the baco 10 for a few euros.
radioshack read the other posts
$ 1.69 for two.
mfuchs885 years ago
so will this light kill germs like the UV wands?
Aqlor mfuchs885 years ago
UV light from usual UV leds is not good for killing germs. You can look it up on google, it's very hard to do a LED with the right frequency (deep uv) for killing germs, but once it is easily doable, it will make UV "cleaners" much more cheaper.
medicjm6 years ago
That's cool but can you give the tech specs for the LED?
QuiksilverRox (author)  medicjm6 years ago
Radio Shack
High visibility, T-1 3/4 (5mm)
Intensity: 280mcd (typical)
Wavelength: 395nm (minimum), 410nm (maximum)
Viewing angle: 30°
FW current: 20mA;
FW supply: 3.2 (typical), 3.8V (maximum)
thanks for the link...but that LED has three leads....i'm not too familiar with electronics...which two should be used? I know a diode is a "one-way-valve" but with 3 leads i'm just confused.
QuiksilverRox (author)  j626no6 years ago
One with three leads is either multi-color or one that blinks. Apparently Radioshack just put the wrong image on the page.

see the last review