LEMFO Mini Portable Battery Backup Power Charger Extra Spare Batteries Charging Device Battery Desktop Dock Station Cradle For Samsung Galaxy S4 IV I9500 Cell Phones;

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 absulotely a convenient way to keep your phone in power forever!!! And eliminate the suffer of using the phone while charging it.

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.

For Samsung Galaxy S4 IV I9500 (AT&T: SGH-I337, T-Mobile: SGH-M919, Verizon: SCH-I545, Sprint: SPH-L720, U.S. Cellular: SCH-R970)

Hand-sized body
with built-in over-charge protection
Dimension: 68mm(width) * 88mm(length) * 13mm(height)
Connect port: mcro USB
Output voltage:DC 5.0V-2.0A DC 5.0V-500mA
Input voltage:DC 4.35V-1.7A DC 4.35V-450mA

Package list:
1 * Battery Power Charger Dock

The battery is not included.