• 1900mAh External Battery and Case, all in one and it's the thinnest external battery for iPhone 4, 4S
  • Rechargeable lithium polymer battery
  • Petite, convenient, easy to use, high capacity
  • Non-slip comfortable grip
  • USB charging and SYNC without the need to disconnect your iPhone from the case
  • Data transmission
  • Four LED lights indicate the power level remaining.
  • Compact design and lightweight
Caution:
Don't expose to high temperatures (60'C)
Don't disassemble the battery, it may cause short circuit
Don't expose to fire or burn
Specifications:
  • Output Voltage: 5V
  • Output Current: 500mA
  • Input Voltage: 5V
  • Input Current: 500mA
  • Capacity: 7.2 WH (1900mAh)
  • Standby Time: Up to 230 hours
  • Talk Time: Up to 6.5 hours on 3G network
  • Internet Use: Up to 5.5 hours on 3G / Up to 8 hours on Wi-Fi
  • Audio playback: Up to 30 hours
  • Video playback: Up to 8 hours
  • Battery Capacity Indication