The CSB HR1221WF2 battery is a reliable power companion for your devices. It features a durable, sealed case for long-lasting performance. 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 - F2• voltage - 12 V• capacity - 5 Ah at 20-hour discharge up to 1.75 V per element at 25 ° C• maximum discharge current - 90 A• maximum charging current - 2.1 A• internal resistance - 23 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 operating temperature range: 25 ° C• device dimensions (LxWxH) - 90x70x105 mm• weight - 1.85 kg (Tolerance ± 5.0%) • shelf life - up to 5 years