Take the Duo Flex2 Pro Solar Charger with 37wh Battery on any excursion and bring along some peace of mind that you have the power boost you'll need for your electronics. Lightweight and flexible, this kit is designed to last, and don't worry if you leave it out in that unexpected rainstorm, the DUO Flex2 Pro is weather resistant to hang tough when exposed to sub optimal conditions. The lightweight and compact design provides you the ability to configure these solar panels however best fits your needs, and the convenient flexibility of the panels make capturing portable solar power easier than ever. This solar powered battery pack is fully portable which makes charging on the go incredibly easy, and, at full capacity, the battery pack can charge your smart phone over seven times, your tablet more than once, and a point and shoot USB camera over 16 times. Never worry about losing your charge again, just charge your battery pack before heading out and you'll have the boost your electronics need at a moment's notice.