Inovonics BAT851 Repeater Replacement Battery Assembly

Get repeaters back to work fast with the Inovonics Wireless BAT851 Repeater Replacement Battery Assembly — a direct replacement designed to preserve uptime for security and monitoring networks. This power supply battery uses lithium-ion chemistry for sustained runtime and consistent performance, and is factory-specified as part number BAT851 for exact fit and function. Compatible with EN5040, EN5040-T and EN5040-20T repeaters, the BAT851 delivers dependable backup power to support intrusion detection, access control and surveillance equipment during power events or battery end-of-life. Installing the OEM replacement minimizes troubleshooting and helps maintain system integrity across distributed repeater sites, reducing service calls and operational disruption. Ideal for security integrators and facilities managers who require predictable maintenance cycles and continuous monitoring, the BAT851 offers a cost-effective, easy-to-replace solution for keeping alarm and surveillance networks resilient. Order the Inovonics BAT851 to restore repeater capacity and protect your surveillance and monitoring investments.

• Restores repeater uptime quickly: swap the BAT851 to return EN5040-series repeaters to full operation with minimal downtime
• Proven lithium-ion reliability: long-lasting power and stable discharge to keep security and monitoring systems online
• OEM compatibility: designed for EN5040, EN5040-T and EN5040-20T to ensure seamless integration and maintained warranty standards
• Easy field replacement: straightforward install reduces technician time and service costs
• Keeps surveillance and alarm networks resilient: prevents gaps in coverage and supports continuous monitoring