The DAY TRIPPER™ SOLAR PACK is a tough and rugged USB powered battery pack with built in Solar Boost™ Technology. This device comes with an 8,000 mAh battery that handles moisture, dust, and shocks like a pro. The built-in ulta-bright 1,000 lumen LED grid has a number of brightness settings that will blow any headlamp or flashlight clear into the morning. The two USB outputs can be used to charge cell phones, tablets, cameras and more. When you’re out on the trail, just hang the Day Tripper from your backpack with the included carabiner clip, and enjoy the Solar Boost benefits and free energy provided by the sun.