DSC BD4-12 12V System Backup Battery, 4A

Keep your security network operational through power interruptions with the DSC BD4-12 12V System Backup Battery. Engineered for intrusion and monitoring applications, this 4Ah sealed lead acid (SLA) backup battery delivers dependable 12V standby power so alarm panels and surveillance systems remain active when utility power fails. The BD4-12 is optimized to fit proprietary battery compartments used in DSC panels and is broadly compatible with systems from GE, Caddx, Napco and Ademco, enabling a quick, no-fuss replacement in the field.

Its sealed design minimizes maintenance and risk of leakage, making it a practical choice for cabinet-mounted security devices in commercial or multi-site deployments. With a compact footprint and trusted SLA chemistry, the DSC BD4-12 supports continuous monitoring, fast response for intrusion events, and reliable backup for access control and CCTV power systems. Keep critical security systems protected and downtime to a minimum—add the DSC BD4-12 battery to your maintenance inventory or install it as an immediate replacement to restore uninterrupted monitoring today.

• Keeps intrusion and surveillance systems online during power outages, ensuring uninterrupted monitoring and alarm response
• Compact, drop-in design fits DSC and many common alarm panels (GE, Caddx, Napco, Ademco) for fast field replacement
• 12V / 4Ah sealed lead acid (SLA) chemistry provides dependable standby power for extended alarm system uptime
• Maintenance‑friendly sealed construction reduces leakage and service requirements in cabinet-mounted security devices
• Ideal for alarm panels, access control, and CCTV backup power to protect critical security and monitoring infrastructure