EDA ZerioPlus proprietary battery pack for the ZerioPlus range of devices as shown below.
Manual Callpoints (C5000) require 1x Battery Pack per Device
Detector (R5000) requires 1x Battery Pack per Detector
Detector with Built in Sounder (R6000) or Sounder Beacon (R6030) require 2x Battery Packs per Detector.
Wall Mounted Sounder (A6000) or Sounder Beacons (A6030) requires 3x Battery Pack per Device