Electrical power supply unit; Battery Storage, namely, electrical storage batteries; Battery charger; Portable battery charger; Fixed battery charger; Mobile power supply; Electrical back-up power supply; Control system, comprised of computer processors, microcontrollers, data processors, signal processors for controlling electrical power supply units; Control system, comprised of computer processors, microcontrollers, data processors, signal processors for controlling battery chargers; Monitoring devices for monitoring a battery charger's performance, usage, voltage, current, temperature, lifespan, load; Monitoring devices for monitoring a power supply's performance, usage, voltage, current, temperature, lifespan, load; Monitoring devices for monitoring power demand; Downloadable software for monitoring and controlling performance of a power supply unit; Downloadable software for controlling and monitoring performance of a battery charger
Electrical and Scientific Apparatus