The APC Back-UPS ES 8 Outlet 550VA 120V provides battery backup when power is lost and acts as a surge protector when power resumes or during voltage spikes within an electrical current. The APC Back-UPS ES 8 Outlet 550VA 120V provides surge protection through eight outlets, regardless of whether the UPS unit is turned on or off, and battery backup through four outlets when turned on.
For maximum performance, charge the UPS unit for a minimum of 16 hours. The output power capacity and configurable power for the APC Back-UPS ES 8 Outlet 550VA 120V is 330 watts. The nominal output voltage is 120 volts. A low battery warning will alert with a rapid, continuous beeping while the same LED light flashes. When the battery needs to be replaced, the audible signal will be a constant tone, and the “Replace Battery” LED light and “Power On” LED light will alternate flashing. If the battery experiences an overload to its available capacity, an audible constant tone will be heard until the UPS unit is turned off.
This item is used but fully functional. A new battery has been installed and tested.Ships out fast and shipping is free!