3 Simple Ways to
Share What You Make

With Instructables you can share what you make with the world — and tap into an ever-growing community of creative experts.

PhotosPhotos

Share one or more photos of a project, recipe, or whatever you've made, quickly and easily.

Get Started

Learn more & Get Tips

Step by StepStep-By-Step

Share your step-by-step photos with text instructions of what you made so others can do it too!

Get Started

Learn more & Get Tips

VideoVideo

Share your how-to video. You'll need your embed code from a video site such as YouTube.

Get Started

Learn more & Get Tips

Answers : Technology

How much time will a 12 volt input LED DC run on my car batter continusoly ?

How much time will a 12 volt input LED DC run on my car batter continusoly ? I need this to make a light for my handycam .Will the battery consumption increase for an additional LED .

A) How much time will one LED run on full charge ?
B) How much time will two LED run simultaneously on full charge ? (I am asking this since i can calculate for 20 LEDS since i am going to use 20 LED lights to make the flash light for handycam )