DSC WT4911BATT Lithium Battery for WT4911, 3.6V, 14Ah

Keep your WT4911 wireless outdoor siren continuously ready to protect your site with the DSC WT4911BATT lithium battery. This DSC battery is engineered specifically for security and intrusion systems, delivering a stable 3.6V output and a high 14.5Ah capacity to support extended operation and remote monitoring. With lithium thionyl chloride chemistry and low self-discharge, it provides up to three years of dependable service under typical use — reducing maintenance trips and minimizing downtime for your surveillance and alarm setups. Lightweight and purpose-built for the WT4911 Two‑Way Wireless Outdoor Siren, the WT4911BATT ensures rapid, OEM-fit replacement so technicians can restore protection quickly. Ideal for security integrators and facilities managers who need resilient, long-life power for wireless sirens and monitoring equipment. Maintain uninterrupted intrusion detection and surveillance coverage — order the DSC WT4911BATT replacement battery to keep your alarm system performing at its best.

• Long-lasting power: up to 3 years of reliable operation to keep WT4911 wireless sirens active and reduce service visits
• High capacity 14.5Ah (approx.) for extended backup and fewer battery replacements in security installations
• OEM compatibility with DSC WT4911 Two-Way Wireless Outdoor Siren for straightforward, hassle-free replacement
• Stable 3.6V output and low self-discharge for consistent performance in intrusion and surveillance applications
• Durable lithium chemistry suited for outdoor monitoring environments, lowering maintenance and ensuring dependable alarm response