Energizer Energy 400 LTE official Pictures. Energizer Energy 400 LTE is a Smartphone of energizer. The Energizer Energy 400 LTE Android Smartphone. Announced Q3 2017. Features 4.0″ Display, MT6737M Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 2500 MAh Battery, 8 GB Storage, 1000 MB RAM, Asahi Dragontrail Glass. Energizer Energy 400 LTE price starts.