Mercury Unified Power Systems combine FlexPower power modules alongside access control hardware in one compact and secure UL listed solution. Unified Power features include; Built in Fire Alarm disconnect unlocks doors on a fire alarm, Low battery cutoff protects batteries from deep discharge, Dedicated fast charger prolongs battery life, Enhanced surge immunity for input/output protection, Locksafe optimized voltages provide long-term lock protection, OutSmart Visual LED notification (12V/Green, 24V/Blue), Network ready with optional LifeSafety Power NetLink module, Monitor power supply and battery in NetLink dashboard, Remote test batteries, Lifetime Warranty LifeSafety Power's quality commitment.