Hyperion 3200mAh Boost Case Battery Cover For Samsung Galaxy S4 (Compatible with ALL Galaxy S4 / S 4 / SIV/ S IV Models) **18 Month Warranty** (Black) Extend your talk time on your Samsung Galaxy S4 with Hyperion Boost Case Batteries (Compatible with All US and International Versions). Battery Type: 3200mAh Lithium-Polymer. Distributed by Hyperion Electronics Accessories. 18 Month Money Back Guarantee. Shipping Same or Next Business Day! Product Comes In Hyperion Retail Packaging.