Energizer Hardcase H500S official Pictures. Energizer Hardcase H500S is a Smartphone of energizer. The Energizer Hardcase H500S Android Smartphone. Announced Feb 2018. Features 5.0″ Display MT6737 Chipset 13 MP Primary Camera 5 MP Front Camera 3000 MAh Battery 16 GB Storage 2 GB RAM Corning Gorilla Glass 3. Energizer Hardcase H500S price starts.