Coghlan’s 6000 mAh Power Pack provides power to your smartphone, digital camera or tablet anywhere you go. Never be without power again! Power can be recharged to the device by USB, solar or dynamo cranking. (Does not include Solar Panel) The Power Pack stores energy in high-grade lithium polymer cells for later use. The durable case is water resistant (not waterproof) and can be stowed away in your backpack or jacket pocket. Charge the Power Pack via the supplied USB cable, solar or dynamo function. Recharge your device with the supplied Micro USB connector. Includes a bright LED light. 6000 mAh power. 10 Minutes in the Sun should result in 10 min talk time 1 Minute cranking the dynamo should result in 10 minute talk time.