The RITAR RT628 AGM battery is a reliable electric companion for your devices. It features a sealed, durable casing 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 - 3• terminal type - F1• battery type - AGM• voltage - 6 V• internal resistance - 25 mOhm• capacity - 2.8 Ah• maximum discharge current - 28 A• maximum charging current - 0.28 A• charging voltage in cyclic mode - 7.30 V ~ 7.40 V at 25 ° C• charging voltage in buffer mode - 6.85 V ~ 6.95 V at 25 ° C• operating temperature, ° C: +15...+50• device dimensions (L x W x H) - 66 x 34 x 97 mm• size with packaging (L x W x H) - 68 x 37 x 106 mm• weight - 0.57 kg (Tolerance ± 5.0%) Please note! Failure to comply with the voltage and charge/discharge current specifications may damage the battery and void the warranty.