Birksun Boost 2 Solar Backpack Waterproof Fast Charging in Excellent Condition

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 5.5"(D) / 2.4 pounds Volume: 20 Liters 3-Watt Monocrystalline SunPower solar panel Built-in 3,000 mAh battery with USB port Included Micro-USB cable for wall charging Durable 600D 100% water resistant poly Waterproof, YKK zippers Fits up to 15” Macbook Pro - fleece pocket Comfort foam back panel with air flow mesh Powers smartphones at wall outlet speeds Includes the name “Cary” sewn in white onto the shoulder strap, could be removed.