Take your gear on the go with this M-Edge Accessories Bolt Arsenal Sling AS-B4-PO-B backpack, which features a 4000 mAh battery for charging your mobile devices. The tough nylon material is water-resistant for lasting use.
Customer Rating
5
Love the backup battery
on November 7, 2016
Posted by: Student
I love that I can charge the phone on the outside so I can use it on my walk to class.