Wholesale 4500mAh battery case with hollow audio design for iPhone 8/7/6 4.7" case

1,Battery type: lithium polymer                       

2,Capacity: 4500mAh                           

3.Working time: 5 hours                   

4,Input: DC 5V  0.5A-1.5A(auto-adjust according to different devices)                                           

5,Output: DC 5V 1A                                             

6,Input Maximum Current: 1.5A                     

7,Working temperature: -20℃-50℃

8,Color: black, blue, red, pink                   

9,Compatible with the latest IOS system

10.MOQ:50 (can mixe color)

11.Fit for iPhone 8/7/6 4.7" case