... to offer long backup time, short recharge, the temperature compensation system helps to increase the life of batteries. ... /AC >92% / 0 mswave formSine WaveVoltage T.H.D.<2% with linear load, <5% with nonlinear loadCrest factor / ... breaker, Bypass breaker; DC Fuse, Fan, redundant power supply; temperature sensor, EPO (Emergency Power Off), audible alarmsSoftware ProtectionsDischarging batteries, Battery ...