Brand new OEM iPhone 4 Battery.
This item often fixes the following problems:

• Weak Charge
• No Charge
• iTunes does not recognize your phone
• Phone will not turn on
  

This Item is only compatible with the iPhone 4.

Capacity: 1420mAh
Voltage: 3.7V
Battery Type: Li-ion Polymer
Compatible with: APN: 616-0513, APN: 616-0520, APN: 616-0521