APC Galaxy VS Modular Battery Cabinet for up to 6 smart modular battery strings Modular battery cabinet for extended runtime for UPSs with internal batteries. The cabinet is supplied without batteries, so batteries must be purchased separately. Up to six battery strings can be installed and monitored in the cabinet. Product or component type Battery cabinet Battery type VRLA Provided equipment Installation guide Number of battery free slots 6 Number of battery filled slots 0 Device mounting Enclosed battery cabinet Ambient air temperature for operation 0…40 °C Ambient air temperature for storage -15…40 °C Compatible Batteries- GVSBTU, GVSBTHU, GVSBTHULL, GVSBT4, GVSBTH4, GVSBTH4LL