Hit the beach, pack your bags, go nuts at a music festival. If you're not obsessed by day 50, we'll take your BirkSun back for a full refund. Free shipping on the way back. No tricks.
The Boost 2 is simply the most powerful and easy to use BirkSun ever. Thanks to its built in internal battery with digital power management, LED indicator display and waterproof design, it has never been easier or more fun to create power from the sun! BirkSun is your new best friend at the beach, music festivals, and during international travel. Pack it, wear it, charge it, and make it your own. Dimensions: 18.5"(H) x 13"(W) x 8.5"(D) / 2.4 pounds