PowerWalker VI SH provides comprehensive protection and high power density in small and economic package. The UPS can be automatically started up without AC power supplied. In addition, this UPS provides RJ-11 surge protection. Equipped with a voltage stabilizer, this UPS will continue providing clean and stable power to connected equipment and is perfect for any home or small office application.The VI SH Series are equipped with stronger charger to reach 90% of battery capacity in 2-4h. With Human Interface Device (HID) support for USB communication it allows quick and easy setup with any operating system.