With it, you can charge your extra phone battery ahead of time, no need to spare your phone to charge it anymore.
Multiply charge method: with a micro USB cable, you can connect it to a power bank/ PC/ AC power(a adaptor is required).
The indicator light will flash to indicate the connect is working, and keeps red when charging your phone battery. Once fully charged, the light will turn green.
Compatible Models: For Samsung Galaxy S5
Hand-sized body, with built-in over-charge protection.

Product Description

Details:
*100% brand new High quality Charger dock.
*Automatically stop charging, when the battery is fully charged.
*Built-in protection circuit prevents overcharging.
*Portable design and convenient ,easy to carry.
*Rapid charging with dedicated Micro USB port
*Compatible Models: For Samsung Galaxy S5

Package list
1* Battery Charger For Samsung Galaxy S5

Note: The charging cable is not included.

http://www.amazon.com/gp/product/B00URI8CPU