Backup Power Supply APC Back-UPS PRO BR-650VA:The worst thing that can happen to you when you work on a computer is a power outage just before you finished working. Your document has disappeared, and you have to start again from nothing. Such uncomfortable (to put it mildly) situations can be warded off by the APC Back-UPS PRO BR-650VA replacement backup source. In principle, this hardware is just a premium battery backup that powers all types of computers and devices that need electricity to function. The APC Back-UPS PRO BR-650VA UPS battery backup has the Line interactive design approach. Off-line is classified as the simplest form in case of a outage, since it switches power to the UPS unit itself. The line interactive UPS also adds voltage regulation to prevent damage from dangerous surges and spikes. APC Back-UPS PRO BR-650VA Backup Power Supply Key Features Type of backup power supply: Line interactive Actual performance: 390 W UPC operation at full load for 2,7 min 6 connects with C13 sockets, with devices such as monitors, LCD screens and printers An important attribute is the UPS run time during outages. This depends on the power consumption of the connected appliances – for example, at half-load (50%), the battery backup time lasts much longer. The load of the backup source governs the operating time, which at maximum load is 2,7 min and at half-load, its 10,4 min. It is therefore essential to determine the energy consumption of the connected electronics and it is best to have some extra power left. The APC Back-UPS PRO BR-650VA shows the apparent power as 650, but in reality, the actual usage matches the value of 390 W.