Battery backup power switch
Battery backup supply control means and method
Battery backup system
Battery backup system for a microcomputer
Battery backup system for switched power supply
Battery backup unit system and interface
Battery charger control circuit and an uninterruptible power...
Battery charging and discharging system
Battery charging circuit for an emergency system
Battery charging protection circuit
Battery charging system and method
Battery communication system
Battery communication system
Battery communication system
Battery communication system
Battery communication system
Battery connect/disconnect for an uninterruptible power supply
Battery connect/disconnect for an uninterruptible power supply
Battery connect/disconnect for an uninterruptible power supply
Battery controller and method for controlling a battery