The RITAR HR12150W AGM battery is a reliable electric companion for your devices. It features a sealed, durable case that will last a long time. Features:• HR series battery have 30% more output power for heavy loads 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 - F11 (M6) battery type - AGM voltage - 12 V internal resistance - 8.5 mOhm capacity - 40 Ah maximum discharge current - 400 A (5 sec.) maximum charging current - 4 A charging voltage in cyclic mode - 14.6 V ~ 14.8 V at 25 ° C charging voltage in buffer mode - 13.6 V ~ 13.8 V at 25 ° C operating temperature range: discharge: -20 ° C ~ 60 ° C charge: 0 ° C ~ 50 ° C storage: -20 ° C ~ 60 ° C - normal operating temperature range: 25 ± 5 ° C • device dimensions (W x D x H) - 198 x 166 x 169 mm • weight - 12.4 kg (Tolerance ± 5.0%) Please note! Failure to comply with the voltage and charge-discharge currents may damage the battery and void the warranty.