Building on the original MintyBoost USB charger kit, this Instructables how-to will walk you through the steps of adding a Lithium Polymer battery pack and small solar cell. The extra capacity and added convenience of solar make this modification a must have for off-grid mobility.
MightyMintyBoost [via Gizmodo]
I’m digging it for sure, i found this site after starting to build this DIY version http://www.PortableSolarPower.Biz