Shipment contains 4 Raion Power 12V 18Ah replacement battery for Power Patrol SLA2608. Valve regulated spill proof technology enables the battery to be installed in various different positions. Calcium Alloy Grid has less water electrolyte loss which results in superior battery performance. When multiple batteries of the same model are ordered, we VOLTAGE MATCH & TOP CHARGE at NO COST in addition to shipping batteries from the same manufacturing batch. Voltage matching increases longevity and performance. Spec: 12V 18Ah , LXWXH = 7.13 X 3.03 X 6.57 Inches, Weight = 11.68 lbs. Our centrally located warehouse enables us to offer fast shipping on all of our products in the United States. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.