The quantum Replacement battery for Lithonia Lighting exit sign is a sealed, maintenance-free nickel-cadmium battery that delivers 90 minutes of power to the emergency lamps. 2-State constant-current charge maximizes battery life and automatically recharges after battery discharge. Installation takes just a few seconds when replacing old batteries.

• For use with Lithonia Lighting quantum exit sign (LQM EL N)
• Delivers 90 minutes of power to emergency lamps
• 7 to 9-year expected life, nickel-cadmium battery
• 2-State constant-current charge maximizes battery life and automatically recharges after battery discharge
• Installation takes just a few seconds when replacing Old batteries