Light Up Your Battery Drawer
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Published: Sep 24, 2007 Updated: Apr 6 2011
This handy invention is sure to find its way into every household due to its simplicity and usefulness. A 3-LED unit simply attaches to the end of a 9-Volt battery to provide light when you need it. This would be great for emergency kits. I've seen something similar but, it didn't have an on/off switch like this one.