Seco-Larm Seco-Larm ST-BD01Q Low-Voltage Battery Cutoff, 12/24 VDC Selectable Input JMAC# SECO-LARM-ST-BD01Q The Seco-Larm ST-BD01QLow-Voltage Battery Cutoff prevents deep discharge of backup batteries. The ST-BD01Q ties directly into most 12 or 24 VDC power supplies or alarm panels for easy plug-and-play installation. A Master On/Off switch easily connects or... MSRP: Was: Now: $10.55 Add to Cart