Advanced electrical features Excellent power conditioning, very low harmonic distortion through IGBT rectifier, input power factor correction, and high efficiency 5x8 Start-up service included Required for full coverage of factory warranty Battery failure notification Provides early-warning fault analysis on batteries enabling timely preventive maintenance Automatic self-test Periodic battery self-test ensures early detection of a battery that needs to be replaced. Battery modules connected in parallel Delivers higher availability through redundant batteries. Adjustable voltage-transfer points Maximizes useful battery life by widening the input voltage window or tightening the output voltage regulation. Adjustable voltage sensitivity Provides the ability to adapt the UPS for optimal performance in specific power environments or generator applications. Automatic internal bypass Supplies utility power to the connected loads in the event of a UPS overload condition or fault. Audible alarms Provides notification of changing utility power and UPS conditions Battery replacement without tools Allows quick, easy battery replacement.