The PowerWalker VI 800 SCL offers a simple yet effective solution for PCs and other home applications. It features a microprocessor-controlled Automatic Voltage Regulator, which stabilizes voltage within a safe limit by switching to boost and buck modes. The VI 800 SCL offers convenient touch panel which allows to scroll through useful monitored parameters.It can be turned on directly from battery (cold start function), and internal batteries can be charged in standby mode. This model comes with a USB port with HID support.