About the APC Symmetra LX
View User Manual Symmetra LX is a modular, scaleable, redundant UPS platform designed for critical uptime needs. The Extended runtime Symmetra PXR has 9 battery modules, 4 more than the Symmetra LX. With the ability to scale up to 13 batteries (sold separately), you can have extended runtime as you need it. 1-Year Secure Network Management Card subscription is included. Standard warranty, 5 years repair or replace.Symmetra LX is a modular, scaleable, redundant UPS platform designed for critical uptime needs. The Extended runtime Symmetra PXR has 9 battery modules, 4 more than the Symmetra LX. With the ability to scale up to 13 batteries (sold separately), you can have extended runtime as you need it. 1-Year Secure Network Management Card subscription is included. Standard warranty, 5 years repair or replace.