Uninterruptible Power Supply APC Back-UPS PRO BR-1300VA:Youve probably already experienced a power supply interruption minutes before the entire file was saved. Your work is irretrievably lost, and you have to start again from nothing. Such catastrophic scenarios can be warded off by the APC Back-UPS PRO BR-1300VA UPS. This is a premium battery backup that provides power for all types of electronics. The APC Back-UPS PRO BR-1300VA UPS battery backup features the Line interactive design approach. Off-line is classified as the most basic form in case of a outage because it connects to the battery and disconnects from the mains power. The line interactive UPS also adds voltage regulation to guard against dangerous surges and spikes. APC Back-UPS PRO BR-1300VA Backup Power Supply Key Features Backup power design: Line interactive Actual performance: 780 W At maximum load, the UPC will run for 2,1 min 8 connects with C13 sockets, with devices such as monitors, LCD screens and printers An important attribute is the backup time. This is governed by the energy consumption – for example, at half-load (50%), the battery backup time lasts much longer. The load of the UPS determines the operating time, which at full load is 2,1 min and at a load of 50%, its 10,6 min. It is therefore essential to estimate the energy consumption of the connected appliances and it is best to have some spare energy in reserve. The APC Back-UPS PRO BR-1300VA specifies the apparent power as 1300, but in reality, the actual usage matches the value of 780 W.