Completely "dry" technology so batteries can be mounted in any direction. Three year warranty. Non-toxic, recyclable, can be shipped by air. 28 AMP/Hour 500 Cold Cranking Amps (CCA). 4.5 -œ x 4.5" x 4" and weighs only 3 lbs. Operating environment of -22 degrees Fahrenheit to 140 degrees Fahrenheit.