Energizer Hardcase H242S official Pictures. Energizer Hardcase H242S is a Smartphone of energizer. The Energizer Hardcase H242S Smartphone. Announced Feb 2019. Features 2.4″ Display, Spreadtrum SC7731E Chipset, 1500 MAh Battery, 512 MB Storage, 256 MB RAM. Energizer Hardcase H242S price starts.