Exogear egel-S4wht ExoLife Extended 2600mA Battery Power Charger Snap-On Case for Samsung Galaxy S4 - Retail Packaging - White Thinnest and lightest battery case in the world for the Samsung Galaxy S4 Sleek polycarbonate hard-shell case provides protection against drops and scratches ExoClear technology ensures no interference with your phone's reception 2,600mA battery provides almost double the battery life