Visonic 0-9912-K Siren Battery for MCS-710, MCS-720, MCS730AC, SR720PG2, SR730PG2

Keep your security siren powered and ready with the Visonic 0-9912-K siren battery — a purpose-built backup battery for intrusion and surveillance systems. This Visonic battery delivers a dependable 19Ah capacity and a stable 3.6V DC output, providing the runtime and safe voltage your MCS-710, MCS-720, MCS-730 and SR7xx sirens require. Lithium‑ion rechargeable chemistry means fewer replacements and lower lifecycle cost, while the compact, proprietary form factor makes swaps quick for technicians in the field. Faster recharge times and consistent power delivery reduce service visits and help maintain continuous monitoring and alarm readiness for commercial facilities, retail sites, and managed security installations. Lightweight and reliable, the 0-9912-K is engineered to protect siren electronics and support uninterrupted alarm signaling during power disruptions. Keep your intrusion detection and monitoring infrastructure resilient — add this Visonic siren battery to your maintenance inventory or order now to ensure continuous protection.

• Provides dependable 19Ah backup power to keep sirens active during outages, reducing false alarms and downtime
• Rechargeable Li‑Ion chemistry and 3.6V output for safe, stable power that protects siren electronics
• Compact, lightweight proprietary size for fast, hassle-free replacement in Visonic MCS and SR series sirens
• Long runtime and reliable rechargeability lower maintenance frequency and total cost of ownership for security teams
• Engineered compatibility with MCS-710, MCS-720, MCS-730 (and related SR7xx models) to ensure uninterrupted monitoring and intrusion response