Product Description, Features and Technical Details :

Description:
Compatible with original chargers 
Specific intelligent rechargeable Li-ion battery 
Convenient replacement battery for your phone
High capacity and low impedance, no need to worry your mobile phone running out power at travel time
Integrated power management circuits - protect against over-voltage and under-voltage conditions and maximize battery life between charges, minimize charge time, and lengthen overall battery life, provide the best possible performance 
Easy to replace the battery and awaken your phone, keep you at the most recreational state 
High quality replacement battery.

Voltage: 3.7V
Capacity 2500mAh