MK M31 SLD G 12V 100Ah Sealed Lead Acid Replacement Ultramax 12v 110Ah Battery
(12V 110Ah). For standby power this range has a nominal 5 - 8 year life. Low pressure relief valve. AGM, DEEP CYCLE BATTERIES. The Ultra Max NP are the top of the range Batteries Good for both cranking and Deep Cycle Use.