How is this type of flashlight powered?

Posted February 16th, 2010 in the Flashlights category.




At wal-mart they have flashlights with a little lever you pull out then crank around and it charges the flashlight. I’m going to get one next time I’m out there and open it up to see what I find, but I thought I’d ask anyway…how does the crank charge the battery?

What is different between a laser beam and a flashlight?

Posted February 3rd, 2010 in the Flashlights category.




What is different between a laser beam and a flashlight? What are applications for laser light sources where regular light sources cannot be used?

How can you rate a flashlights brightness?

Posted October 12th, 2009 in the Flashlights category.




I want to buy a bright, but smaller, flashlight.(like a surefire, etc.). They seem to rate them by lumens and watts. What is the range of of something that is really bright. How many lumens is a watt?

Flashlights?

Posted October 11th, 2009 in the Flashlights category.




This is probably a weird question, but I need a good website that tells me what a flashlight is. Describes and has diagrams about a flashlight. Thanks to all who can help. It’s a bit of a project and I can’t seem to find any good sites!

Flashlights : Part 1 – LED Lights

Posted March 20th, 2009 in the Flashlights category.




This video was to show a few of my favorite LED lgihts…For more flashlight information please check out www.candlepowerforums.com ps I forgot to mention that maglite now offers magLED’s…a bit more expensive, but worth it!

When LED flashlights’ batteries start to die, what are the symptoms?

Posted February 1st, 2009 in the Flashlights category.




Does the flashlight suddenly go dead, or does it gradually get dimmer, or what?

Pelican Flashlights: Lumens vs. Candlepower

Posted January 24th, 2009 in the Flashlights category.




A brief explanation about how flashlight manufacturers measure the brightness of light.