· YTX5L-BSLIFEPO4 is a 12V 150 Cold Cranking Amps (CCA) Lithium Iron Phosphate Battery - Pack of 2.· Case Dimensions: 4.50 inches x 2.81 inches x 4.19 inches; Polarity: Negative on Left, Positive on Right; Weight: 0.82 pounds.· Safe, No Liquid and can be mounted in any position. Make sure to only use a compatible lithium charger. Keep terminal tightly fitted. Having loose terminals will cause a buildup of heat resulting in damage to the battery.· Up to 80 percent lighter and 5X the life of a lead acid equivalent with 2000+ deep cycles at 80 percent depth of discharge.· Full One Year Warranty