Coghlans 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. The Power Pack stores energy in high-grade lithium polymer cells for later use. The durable case is water resistant 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. Features: - Charge/Talk Times: Solar 10 minutes in the sun 10 minutes talk time (Charging time is approximate.) Dynamo 1 Minute cranking 10 minutes talk time (Charging time is approximate.) - USB Fully charges most smartphones 3 times when Power Pack is fully charged. Based on a 2000 mAh battery.