Gloabtel Convergence Ltd. offers a battery management system called BattMon that monitors the status of batteries in battery banks. BattMon uses hardware and software to provide real-time alerts on the voltage, temperature, and impedance of each battery or cell. It allows users to monitor batteries and receive mobile alerts to easily plan maintenance. The system includes Gloabox devices that are connected to battery banks and send data to a central computer system for analysis and alerting. BattMon provides early warnings of battery issues to improve efficiency and reduce maintenance costs.