Package includes:

Charge your battery with any USB-enabled Notebook, PC, MAC.

2 battery Slot, you can charge 2 batteries at the same time 

Quick charge with automatic constant current control prevents battery from overcharging, short circuit, and electronic shock 

Smart LED indicator shows charging status

  

 

Led Status:

Charging: Green Light

Full: Dark Light 

input voltage: 5V 1000mAh

 

 

 

Dimension: 52*44*15(mm)   very slim!!

Compatible Battery: GoPro HD Hero 3 Hero3 AHDBT-301 AHDBT-201 4

 

 

 

 

 

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100% Satisfaction Guaranteed! :)