The CSB GP12650 battery is the right battery for your devices. Durable construction, long life, and a wide range of applications—that's what CSB batteries are all about! Application:• uninterruptible power supplies• in telecommunications and industrial equipment;• in backup lighting systems• as part of video surveillance, alarm, access control systems• in networks of fire and security automated systems Characteristics:• number of elements: 6• terminal type - M6• voltage - 12 V• capacity - 65 Ah at 20-hour discharge up to 1.75 V per element at 25 ° C• maximum discharge current - 500 A• maximum charging current - 19.5 A• internal resistance - 6 mOhm• charging voltage in cyclic mode - 14.4 V ~ 15 V at 25 ° C• charging voltage in buffer mode - 13.5 V ~ 13.8 V at 25 ° C• nominal range of operating temperatures: 25 ° C• device dimensions (LxWxH) - 350x166x174 mm• weight - 20.5 kg (Tolerance ± 5.0%) • shelf life - up to 5 years