UPS battery 12V 100AH 1.330*171*214mm 2.Maintenance free 3. ... lighting system,bank security system,ship,railway,medical system,solar system.telecommunication,etc. 4.Maintenance-free characteristic:battery free ... not charge in a sealed container,3.Keep the batteries dry,cool,vemtilative,4.Make regular examination and use ... rechargeing disassembled,haet above 50 celsius degree, Jinfengchuagn batteries