... /24/48VDC 110/220vac 50/60Hz 35amp/70amp built in charger, UPS function, most advanced technology, peak power three times. ... Voltage120/220/230/240VAC(bypass mode sync to input)Voltage Regulation±10%rms(bypass mode sync to input)Frequency50Hz±0.3Hz( ... seconds.Protectionslow battery,over charging,over temp,over loadCommunicationsRS-232/USB(custom-made)EnviromentalOperating Environment0-40°C,0-90%RH(non ...