Gaston 12v 100AH Battery Nominal Voltage: 12V Nominal Capacity: 100Ah Terminal Type: M8 – Insert Terminals Weight: 70.6 Lbs Length: 330mm (13.0″) Width: 171mm (6.73″) Height: 215mm (8.46″) The Gaston GT12-100 replacement battery consists of (1) High Quality 12V 100Ah battery.