Features: 

100% Brand New and High Quality 
New generic Li-ion battery 
High energy density， can be used for a long time 
Extra power for your digital video camera / camcorder 
High capacity / rechargeable Li-ion battery with premium cell 
A necessity for photographers 
Compatible with: GoPro Hero 3 

Specification: 

Voltage: 3.7V 
Capacity: 1600mAh 
Dimensions: 3.7 x 2.8 x 1.3cm/1.46 x 1.10 x 0.51inch 
Weight: 24g 

Package Included: 

1x Battery for GoPro Hero 3