... . 4.5kg II. UPS LITHIUM BATTERY FEATURE:UPS Replacement Battery 12v UPS mainly feastures in backup power ... Double output interface, city power firstIII. APPLIATIONS:UPS Replacement Battery 12v Attendence machine, safety lights, optical fiber model, ... * Long hour power supply V. BATTERY MAINTAINENCE:UPS Replacement Battery 12v (1). UPS battery working environment should keep a good ventilation, ...