With a 6000 mAh Coghlan's Smartphone Power Pack, you never have be without power again, no matter where you are or how long you're gone. It can be recharged by a USB cable, the sun or a dynamo crank. The rechargeable power pack has more than enough juice to power your smartphone, tablet, GPS locator, digital camera or any other similar device, so it's ideal for travelers and outdoor enthusiasts. In fact, the device can power most smartphones up to 3 different times. The unique and portable USB power pack stores energy in high grade lithium polymer cells, so it will almost always be there when you need it. Since the durable case is water-resistant and nearly impervious to most harsh outdoor weather conditions, it's ideal for both lone wolf and group excursions. Your new 6000 mAh Coghlan's Smartphone Power Pack comes complete with a built in LED flashlight.