Eternity Gel Battery 12v 56Ah. Eternity Gel is developed for hard cyclic applications, absolutely maintenance free and equipped with high quality patented valve technology. Features: Maintenance free Good high current characteristics High quality patented valve technology High number of cycles 700 cycles (IEC 61427 / 60896-21/22) Low self-discharge: VRLA batteries (sealed/valve regulated) Application: Electric vehicles House cars Caravans Boats Marine Other cyclic applications Technical data: Voltage: 12V Capacity: 51Ah (C5), 56Ah (C20) Connection: M6 screw Connection Technology: lead/gel Operating temperature: min. -40 C to max. 50 C