2 x Lucas 12V 34AH (33AH 35AH 36AH) VRLA AGM MOBILITY BATTERY - MU-1 SLD M FT-2
& replace 33Ah, 35Ah, 36Ah. Bungs (Plugs) are only for transportation use. Fully Sealed (cannot spill) - Recharg eable - Deep Cycle battery. Battery can be used in any position. For standby power this range has a nominal 5 - 8 year life.