Manufacturer wholesale best price new portable power bank 7800mah dual usb

Specifications:

1.Capacity:7800mAh
2.Internal Battery type:  Samsung 18650 battery cells
3.Input: 5V/2A                       
4.Output: 5V/1A and 5V/2.1A(Max)
5.Size: 101*65*27(mm)                                                        
6.Color : White,Blue, Black,Green                                

7.Weight: 180 g                                        

Selling points:

portable and colorful Dul output