The SLi-600 features two 3-pin XLR outputs that each provide regulated 28V power and two 4-pin XLR outputs that each provide 12.5 to 17.25 VDC output. It also features an LCD screen to view your output current and battery capacity status.

The unit is to only be charged using the included BlockBattery PSU-185-18 charger using the XLR charge input port, and it can charge from empty to full in approximately four hours. An XLR charging cable is also included. The outer case contains the inner cage that houses the battery block structure, as well as replaceable fuses for the inputs. The battery system can be carried by the top handle when you need to go mobile.