ForeverBattery KA710 Wind-up Portable & Rechargeable 5,000 mAh USB Battery Pack / Charger for Cell Phones and Other Mobile Devices
Compact , lightweight and self-contained, the KA710 from ForeverBattery is a rechargeable back-up battery pack with a built-in 5,000 mAh Lithium ion battery and a hand crank power generator that provides power when you need it the most, ideal for both everyday and emergency use.Featuring a standard DC 5V USB output with a maximum output of 1 amp, the KA710 is compatible with most of the modern electronics gadgets such as smart phones including all generations of iPhones, Blackberry phones, Android-based phones, MP3 players, portable GPS devices, digital cameras and etc.  When fully charged, the KA710 can be used to charge most smart phones more than two times. In addition to its micro USB input for charging the built-in battery via a computer or a USB wall plug (USB charging cable included), as a plan B, the KA710 also has a hand crank generator that you can use to charge and power up an external device in the event of power outages, natural disasters and other unpredictable circumstances in life. With a minute of cranking, the KA710 typically can generate enough power for a talk time of 30 seconds or a standby time of 20 minutes.Specifications:Input: DC 5V/1A, Micro USBOutput: DC 5V/1A, Standard USBBattery type: Lithium ionBattery capacity: 5,000 mAhDimensions: 3  x 2 x 1  inchesWeight:  7.5 ozWhat's in the box:KA710 battery packUSB charging cableUser manual