SITOP UPS8600 UPS module for PSU8600 Nominal voltage: DC 48 V Buffer power: 960 W Charging power: 120 W The UPS8600 UPS module is part of the SITOP PSU8600 modular system and is used to bridge power outages lasting minutes to hours. It can be supplemented with a maximum of five SITOP BAT8600 battery modules of the same design as an external energy storage device. The battery modules in lithium iron phosphate (LiFePO4) technology ensure a particularly long service life with a typical buffer time of 14 minutes at full load (960 W). The lead batteries (Pb) offer a typical buffer time of 10 minutes at full load (960 W).