The S2-690GEL is a high quality battery from Rolls. The cold cranking current of the battery is 785 A. The dimensions of the product are 145 x 206 x 673 mm. You should use the dimensions of your old battery as a guide for your selection.Durable Gel technology for your vehicleThe S2-690GEL has a capacity of 690 Ah. The higher the value, the more electrical charge can be stored in the battery.Gel batteries like the S2-690GEL are maintenance-free and vibration-resistant, suitable for deep cycle renewable or marine applications.You should consider this when buyingBefore you buy, check that the circuit and polarity of your new battery are identical to the values of the old model. The circuit shows whether the positive pole is on the right or left of the battery. To determine this, position the battery so that the poles are facing you. With the S2-690GEL, the circuit is N/A.