EnerSys Non-Rechargeable Batteries VRLA 625561 - Enersys 0859-0012, The EnerSys Hawker Cyclon E 0859-0012 is a maintenance-free VRLA 6V 8Ah AGM lead acid battery known for its cylindrical design and durability with a high number of charge cycles. It features low self-discharge levels and a 6.35 mm blade terminal, making it ideal for industrial and backup power applications. Commonly used in emergency lighting, security systems, and medical devices, it measures 139 x 102 x 54 mm. Enersys 0859-0012 Hawker Cyclon VRLA 6V 8Ah AGM Battery, Maintenance-Free