Enersys is a designer and manufacturer of lead-acid batteries, including the brands Hawker, Genesis, Odyssey, and Powersafe SBS. As a specialist in lead-acid batteries, Enersys produces and markets, among other things, a range of pure lead accumulators, which offer advantages in terms of cycle life, resistance to extreme temperatures, low internal resistance, and very high currents. This manufacturer is recognized under four main brands: Hawker, Genesis, Odyssey, and Powersafe SBS.