DIY Solar Projects Part 4: Solar Phone Charger in an Altoids Tin
This awesome pocket-sized solar USB charger with battery backup can be used to charge cell phones, iPods, or anything else that can be plugged in via USB. It is built …
This awesome pocket-sized solar USB charger with battery backup can be used to charge cell phones, iPods, or anything else that can be plugged in via USB. It is built …