Save energy, Go GREEN. Instructables user Honus’s DIY MightyMintyBoost tutorial is a bit involved, but the outcome—a USB charger that feeds off the power of the sun—is fantastic. In fact, Honus improves on the MintyBoost in many ways, foregoing the low-capacity AA batteries for a higher capacity, rechargeable lithium polymer battery and throwing in the solar cell to handle the recharging. This DIY is a bit advanced (soldering lies ahead), but the result is impressive.
Read Further:
How to make a solar iPod/iPhone charger -aka MightyMintyBoost
