Details:
With this 100% brand new product， you can charge your extra phone battery ahead of time， no need to spare your phone to charge it anymore. Thus two battery can work in turn， which is absolutely a convenient way to keep your phone in power forever!!! And eliminate the suffer of using the phone while charging it.


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.

Battery Cell type:  A class
with built-in over-charge protection
Output voltage:  5.0V-2.0A 5.0V-500mA
Input voltage:  4.35V-1.7A 4.35V-450mA

(The battery and cable are not included.)