4W External Emergency Battery Driver for 4 ft LED Fixtures, 90+ Min Runtime

The 9-LP-Z-DEM-4W is an external emergency battery driver designed for use with 4 ft LED fixtures. It provides a self-contained backup power solution that maintains illumination during utility power interruptions, making it suitable for commercial and industrial applications requiring code-compliant emergency lighting. The driver operates on 100–277VAC input and delivers a 25–54V DC output at 4W. It provides a minimum 90-minute emergency runtime from an integrated LiFePO4 battery, with a recharge time of 24–48 hours after a full discharge. The unit is rated for operation in ambient temperatures from 0°C to 60°C (32°F to 140°F).