Extend runtimeBy connecting one or more APC Smart-UPS On-Line SRT external battery packs to the corresponding APC Smart-UPS On-Line SRT. you can easily increase the number of minutes that the APC UPS can independently supply emergency power. A runtime of several hours is even possible.Extend lifespanThe SRT192RMBP contains two (APCRBC140) internal battery cartridges and these can be easily. safely and independently replaced by the user. This without having to disconnect the SRT192RMBP or switch off the corresponding APC SRT UPS and/or connected equipment. This way you can easily and cheaply extend the lifespan of the external APC battery pack and your equipment always remains online.Easy to useYou can easily connect an APC Smart-UPS On-Line SRT external battery pack to the UPS or to another SRT192RMBP using the included connector. Thanks to the included 4-post rail kit. you can easily mount it in a rack.Warranty extensionThe factory warranty of the SRT192RMBP is 2 years and can be upgraded to 5 years with the APC service pack (WBEXTWAR3YR-SP-04).This product is part of the Smart-UPS battery systems. providing extended runtime to SRT mission critical applications. This extendable-run battery pack provides extended runtime during prolonged power outages. Embedded monitoring at the cell. module. and cabinet level provides data of battery runtime and health. It is a lead-acid battery with a 2-year warranty. Its dimensions are 683mm (depth) x 432mm (height) x 130mm (width) and weighs 91.0kg. Ideal for Smart-UPS on-line mission critical applications. It conforms to OSHPD.