Security through emergency powerAn APC Back-UPS has a built-in battery that ensures that all connected equipment, such as a PC and NAS, but also your WIFI internet (router + modem) continues to function if the power goes out. In addition, this APC emergency power supply can also automatically shut down a NAS or PC in time via the USB connection. Useful when the APC ups is almost empty. This prevents downtime, damage to equipment, and loss of data.Safety and convenienceIn addition, this secure APC Back-UPS protects by are surge protected outputs that protect valuable equipme