VRLA UPS battery 1.Free of Mainanence 2.Reliable and quality goods 3.Lower self-discharge rate 4.Long service life VRLA UPS BatteryUse For:1.Electric toy car , electric tools.2.Emergency lamps and alarm3.Electric balance , Electronic products4.Building intercom , electric atomizerFeature:1.No free acid,battery can be safety used 90' conversely;2.Very low electrolyte proportion,lengthened service ...