Astrum Power Bank 4000 mAH 1 USB 1A (Black) Model PB400

Product Description Specification Ultimate power bank with detachable micro USB cable comes with texture surface for firm grip and for shaking to power it on. Built in smart IC protection for over charge and over current discharge. Battery              : 4000mAh capacity li-polymer Output              : 5V 1A Input                 : 5V 1A Weight              : 110g (approx.) Dimensions     : 135 x 70 x 10mm (L x W x H)