100% real 4000mAh capacity emergency chargers with 4 LED power indicator and hand light

  4000mAh standard USB output Power Banks

Specifications:

1.Capacity:4000mAh
2.Internal Battery type:  Samsung 18650 battery cells
3.Input: 5V/2A                       
4.Output: 5V/1A and 5V/2.1A(Max)
5.Size: 101*47*25(mm)                                                        
6.Color : Yellow.Blue, Black,Green                                

7.Weight: 125g                                        

Selling points:

 A grade battery cell inside,

High transfer efficiency,

Private mold model

portable and colorful