The Marine Corps has an expeditionary energy office working on finding ways to generate power more efficiently and to make better use of alternative and renewable energy. You can set out to discover some of these solutions for yourself – or just have some cool ways to power your gear when you’re “off the grid.” One of the most readily available options for powering up is to just add sun.
The general design of the chargers facilitates ease of use, since most are portable and can accommodate a variety of electronic devices. They also range in size from that of a CD case, to a fully functional backpack.