BDS-PRO is designed to monitor and analyze the aging status of: Up to (24) Cells / (4) Jars per unit by measuring the system: String / Jar DC Voltage, Battery / Connection Resistance, Ambient / Battery Temperature and String CurrentBDS-PRO solutions come complete with a battery management software package which allows ALL battery systems to be monitored 24 hours a day, 365 days a year via a remote computer(s). This software offers the most comprehensive battery diagnosis and reporting capabilities to ensure the integrity of your critical battery backup.