... UPS battery 12V 100AH 1.330*171*214mm 2.Maintenance free 3.Low electric resistance, high discharge current UPS battery FEATURES UPS BATTERY type ... railway,medical system,solar system.telecommunication,etc. 4.Maintenance-free characteristic:battery free derives from the great sealing technique, 5. ... in a sealed container,3.Keep the batteries dry,cool,vemtilative,4.Make regular examination and use ...