The Fire-Lite CHG-120F is a charger Designed for use with sealed lead-acid batteries in fire alarm and security systems. Battery Compatibility: It is designed to charge sealed lead-acid (SLA) batteries with capacities ranging from 25 and 120 Ah., Input Voltage: Accepts an AC input of 110 V AC or 220 V AC., Output Voltage: Provides a charging voltage of 27.6 V DC., Montage: The module is designed to be mounted on a specific chassis, such as the BB-55F, which is required to accommodate larger capacity batteries (e.g., 100 Ah)., Producer: It is produced by Fire-Lite Alarms, which is part of Honeywell