How To: Make a Homemade Air Conditioner That Runs on Batteries or USB Power

Make a Homemade Air Conditioner That Runs on Batteries or USB Power

Hand made air conditioner made of a foam lunch box, 5 volt DC fan, 4 AAA rechargeable batteries, and some ice. This homemade AC can run on batteries and you can plug directly into any USB port.

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If you add salt to the Ice it will make it colder. Try dry ice

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