Energizer Power Max P550S official Pictures. Energizer Power Max P550S is a Smartphone of energizer. The Energizer Power Max P550S Android Smartphone. Announced Dec 2017. Features 5.5″ Display, MT6737 Chipset, 13 MP Primary Camera, 5 MP Front Camera, 5000 MAh Battery, 16 GB Storage, 2 GB RAM. Energizer Power Max P550S price starts.