... .larger space design 4.12V9AH VRLA battery,lead acid Battery 5.Deep cycle 12V9AH VRLA Battery,Lead Acid Battery,12V Battery Internal resistance: fully charged battery 77 degree Fahrenheits (25 degree ... : 14.40-15.00VFloat: 13.50-13.80V 12V9AH VRLA Battery,Lead Acid Battery,12V Battery