● UPS will shut down upon battery low ; UPS will restart automatically upon AC recovery (Auto-restart) ● Smart USB charging station 5VDC 2.4A max. for smart devices power charging (Optional) ● Controlled by a technologically advanced microprocessor guaranteeing high reliability ● USB port and monitor software is designed to manage UPS status via PC (Optional) ● Built-in DC start function enables UPS to be started without AC power supplied ● Equipped with 2-steps boost & 1-step buck AVR to stabilize output voltage ● Constant current, constant voltage battery charger (CCCV Battery Charger) ● UPS will charge itself even though power switch is off (Off mode charging) ● Over / under voltage protection (UPS will go to battery mode) ● Coaxial cable line / modem / phone protection (Optional) ● Lightning / surge protection 175 joules