Marcum Max Lithium Battery 12v 30ahFor some outdoors activities, theres simply never enough power to go around. Enter the MarCum Max, at 12V30AH, its the largest Lithium LiFePO4 in class, delivering run times measured in days vs. hours. Whether you camp, kayak, or shelter overnight on ice, the MarCum Max is the ultimate bat tery for any long haul pursuit. The MarCum Max is equipped with a BMS circuit that protects the bat tery from overcharge, over dis charge, and short circuiting. The