4 x 18650 7.4V 8800mAh Power Bank 

Product Specifications:

        Battery Capacity: 8800mAh (4 x 18650 batteries in Parallel)

Battery Voltage: 5V - 7.4V

Battery Type: Rechargeable Li-ion 18650 Battery

Connectivity Port: Standard USB / 5.5mm x 2.5mm

       USB Output: 5V 2A

Color: Black

       Weight: 260g

       Dimensions: 95mm (L) x 39mm (H) x 39mm (W)

Use for Cell Phone Charger