Numeric digital 1000 Plus V UPS gives the NO1 Protection to your PC, Micro Processor based design and built-in AVR with Cold Start Capability.Intelligent Battery Management with Overload Protection.. Backup time For 1 PC load with 15" Colour monitor : 30 minutes Recharge time : 4-8 hours to 90% after complete discharge Indications Alarms : On battery,Overload,Low battery,Fault Backup Mode : Beep every 10 seconds Low Battery : Beep every 1 second Overload : Beep every 0.5 seconds Fault : Continuous beeping Backup time For 1 PC load with 15" Colour monitor : 30 minutes Recharge time : 4-8 hours to 90% after complete discharge Battery Spec DC V/ Ah/ Nos : 12V / 7Ah / 2 numbers Type : Sealed Maintenancs Free Battery Protection : Battery discharge,over-charge and overload Environment : 0-40C,0-90% RH non-condensing Noise Level : Less thean 40dB Physical Spec Dimensions,WxDxH : 350 x 146 x 160 mm Weight : 8.0 kg