Powershield BB8 Ext Battery Suits PSCRT2000
PowerShield Internal PSSNMPV4 Communications Card with Environmental Monitoring Device Port
Powershield Extended battery module for PSCERT2000 & PSCERT3000
PowerShield Telescopic Rail Mounting Kit not included with UPS - PSRK
APC Surge Module for Analog Phone Line, Replaceable, 1U, use with PRM4 or PRM24 Rackmount Chassis