Extend your window of productivity with the powerful 2,800 mAh interchangeable battery on the Galaxy XCover 4. 1 X Samsung Galaxy Xcover 4 handset. Rugged design with a sense of sophistication. At a slim 9.7mm width the Galaxy XCover4 is super thin and features an easy-to-grip, non-slip finish so it won’t slide out of your hand unexpectedly while on the go.