STEM
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How to Make an Altoids USB Charger
4 CQ
Learn how to make a simple, portable USB charger for your phone from an empty Altoids tin and a 9V battery, and charge your devices while on-the-go.
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Comments
Caitlin S
that was cool
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Evelyn E
will it allow full charge ?
Cool Lesson!
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Mary S
Keep it up! We will get through this mess
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Caleb S
Awesome lesson! How many times can you charge the phone on the battery?
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Emily C
Awesome!
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appreciated
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