Buit-in Li-polymer rechargeable battery Short-circuit,over voltage,over current protection

Buit-in Li-polymer rechargeable batteryShort-circuit,over voltage,over current protection

4LED can display the battery balance capacity,charging capacity and discharge capacity

Portable,elegant design

Input:DC5.0V  500mA

Output:DC5V 1000mA

1800mA Power Bank for Iphone 4/4s