12V 7ah Rechargeable Security Battery Maintenance Free Specification Nominal Voltage:12V Rated capacity(20 hour rate):7AH Dimensions Length:151±1mm(9.02inches) Width:65±1mm(5.43inches)Height: 94±1mm(8.19inches) Total Height: 100±1mm(8.30inches)Weight Approx: 2.05Kg(4.52bs) General features: 1)Extremely safe and stable chemistry 2)Non-spillable construction design 3)ABS containers and covers optional 4)safty valve installation of explosion proof 5)high quality and high realiability 6)exceptional deep discharge recovery performance 7)low shelf discharge characteristics 8)flexible design for multiple installation positions Applications: �?�Telephone switchboards, electric equipments, medical equipments, medical instruments and meters Computers and uninterrupted power source (UPS) ower transmission and transformer station, switch control and accident lighting Fire fighting, safety device and alarm monitoring Aviation, spaceflight and power storage Automatic office system Emrgency lighting and car and ship starting system Portable electric appliances and mining system Traffic and navigation signal lamp