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.

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Step by StepStep-By-Step

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

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VideoVideo

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

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AA Battery Powered Cell Phone

Step 3Find the polarity of the battery and test your phone.

Find the polarity of the battery and test your phone.

Find what terminals on the phone are positive and what ones are negitive. the phone may not say it, but the battery is legally required to state the polarity.

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1 comment

May 12, 2009. 4:24 AMkteddy says:

i have samsung phone and have three terminals so which one would be positive

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Author:Kention3