An extremely reliable range of marine batteries in a standard box.SM typeCharge indicator on the whole rangeHandle for handling.Lead-calcium technology, hermetically sealed with degassing labyrinth.Very low self-discharge. The 140A / 180A and 230A models are semi-traction batteries.the DOLPHIN PRO range is maintenance-free for mixed and intensive use.remember to disconnect the batteries during winter storage periods after a full charge. Dimensions L x W x H : L 513 x W 189 x H 194 mm Usage : Semi-traction Battery technology: liquid electrolyte Voltage in V : 12 V Battery type: starter/servo Weight : 35.6 Capacity : 140 Ah CCA cold start capacity : 850