MICROTEK UPS SW EB 900 is a Micro Controller design based, LARGEST SELLING SERIES of Extended Backup External Battery UPS Systems. It comes with many user friendly features. It has Voltage Range Selection Switch and can be operated in Standard Voltage Range from 100V~300V and Narrow Voltage Range from 180V~260V. UPS SW EB Series Models are based on Intelli Pure Sinewave Technology which ensures Noiseless,Safe and Efficient Performance along with Longer Backup. Rated Capacity 800 VA / 12V Output Power 640 Watts Battery 1 Battery System (12 VDC) Wave form Pure Sinewave Warranty 2 Years Key features Micro Controller Based Intelligent Control Design. LED Display Indications (Status & Fault) CCCV Technology with Auto Trickle Mode Smart Overload Sense and Short Circuit Protection Battery State Monitoring Multi Stage Battery Charger Mains Input Voltage Range Slide Selection Switch  Display MAINS ON UPS ON BATTERY CHARGING OVERLOAD BATTERY LOW FAULT INDICATION Technical Specifications Input Input Voltage (Standard range) 100 V ~ 300 V Input Voltage (Narrow range) 180V ~ 260 V   Output Output Voltage (Mains Mode) Same as Input Output Voltage (UPS Mode) 200V~ 230V ± 10% Output Waveform (Mains Mode) Same as Input Output Waveform (UPS Mode) Pure Sinewave   Output Output Voltage (Mains Mode) Same as Input Output Voltage (UPS Mode) 200V~ 230V ± 10% Output Waveform (Mains Mode) Same as Input Output Waveform (UPS Mode) Pure Sinewave   Changeover Switchover from Mains to UPS and UPS to Mains Automatic UPS Transfer Time ≤ 15 msec.   Technology Design Micro Controller Based Design with IPS Technology Battery Charging Current Constant Charging approx. 10% of the rated Battery Current in AH UPS Overload / UPS Short-circuit 110% / 300% Browns on Mains Voltage 100V ± 40V Efficiency (Battery Mode) > 80% Auto Reset Feature Yes Input DC Range 10.5 V  ~ 14.2 V Charging Current (Standard) 10 Amps ± 1 Amps Charging Current (High) 14 Amps ± 1 Amps