EnerPlex JU-SLATE-10K Jumpr Slate 10,000 mAh battery provides up to five charges for smartphones, such as the iPhone 5 2.4 Amp dual outputs allows users to charge two devices at once Rubberized, no-slip finish adds durability, protecting against bumps and scrapes Convenient Binder Holes to clip into folders, notebooks, binders and more Red Dot Design Award Winner, only 6.7mm thick