Green mode Battery failure notification Power-saving outputs Resettable breaker battery-based outputs and outputs with surge protection Cold-start capable Hot-swappable batteries, surge protection devices Automatic self-test Adjustable voltage-transfer points Adjustable voltage sensitivity Provides User-replaceable batteries USB interface Serial interface sockets for the connection of power supply units Automatic voltage regulation ( AVR) Intelligent Boost and Trim Automatic battery management Safety-agency approved indication of problems with the wiring Battery replacement without tools LCD graphics screen