Coghlan's Portable Power Pack, 6,000 mAH Keep your smartphone, tablet, GPS device, and more powered while camping or backpacking 6000 mAh high-grade lithium polymer battery is recharged via USB, solar, or integrated dynamo crank Charge smartphone 3 times on full charge; 10 minutes of solar or 1 minute of dynamo cranking charges cell phone for 10 minutes of talk time Small enough to be stowed away in your backpack or jacket pocket Includes bright LED light, Micro USB connector