Salicru's SPS SOHO+ series UPS systems stand out for their Line-interactive technology, compatibility with APFC (active power factor correction) loads and their dual USB charger on the front – all in a power range from 500 to 2,200 VA and versions with Schuko or IEC sockets. Line-interactive systems use AVR (buck-boost) automatic voltage regulators to reduce possible fluctuations in input voltage, thereby lowering battery use, extending battery life and providing maximum backup if necessary. They also feature a USB interface with HID protocol for control, parameter setting and computer shutdown/hibernation. Also available is a software package for the management and monitoring of associated environments, including virtualised systems. The range consists of models with the following power ratings: 500, 650, 850, 1,200, 1,600 and 2,200 VA.