Portable External Battery Pack for Cell Phones - Original Pocket Port 3600 mAh Power Bank with Power Indicators and Two Charge Ports - Works with Any Phone or Ipad Charger Portable Power in your pocket Never run out of power again Works with your phone charger Unique LED power lights show you whether your pocket port is ready to go. Holds power for months when in standby mode. 3600 mah = two full phone charges