Make a Portable USB Charger

	Make a Portable USB Charger A tutorial showing how to make a portable, AA battery powered USB charger that is quick, easy and cheap to build. Works with any USB powered device including...	From: ohmslaw1000 Views: 0 0 ratings
	Time: 05:02	More in Science & Technology

from YouTube tags http://ift.tt/1jTORh4