Now you can talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life. Use the Power Packs to charge a wide range of devices such as iPhones, iPods, eReaders and micro-USB charged phones or wireless Bluetooth headsets. Whether you need to charge your iPad or Bluetooth Headset. Now you can talk longer, listen to more music, play more games, watch more videos without worrying about running out of battery life - if you run low on power just plug in the Portable Power Pack and keep going. A full charge can add up to 75% iPad* charge, or charge an iPhone up to 4.5 times, or similar for other Smartphones with an average 1400mAh battery, providing a great solution for those times you need additional battery life for your iPad, Tablet, Smartphone, eReader or other devices.; Universal Power - Charge it all! With an 8400mAh lithium polymer battery, the Dual USB Power Pack supports charging a wide range of devices such as iPad, Samsung Galaxy Tablet, Google Nexus 7, iPhone, iPod, and micro-USB charged Smartphones or wireless Bluetooth headsets.; Power x 2 - Dual-USB Ports! Need to charge an iPad and a Smartphone? Go ahead, the Dual USB Power Pack allows you to charge an iPad simultaneously with another device such as an iPhone or eReader. With 2 x USB charging ports you get the added convenience and flexibility of being able to charge multiple devices when needed.; Measurable Power - Know the status! Use the push-on/ auto-off button to switch on the device and the LED power status indicator to gauge how much charge is available.;USB Charging Cable Included: USB cable to charge the power pack and also charge a micro-USB based device is included. For iPad/iPhone/iPod/Tablet just use the charging cable which came with your device, as needed, to also charge with the Dual USB Power Pack. *Based on iPad (generation 1) , iPad2 & iPhone 4s, iPhone5. Use time will vary with device being charged.