EN500 is a high quality battery from Exide. The cold cranking current of the battery is 450 A. The dimensions of the product are 207 x 175 x 190 mm. You should use the dimensions of your old battery as a guide for your selection. Durable Flooded technology for your vehicle The EN500 has a capacity of 50 Ah. The higher the value, the more electrical charge can be stored in the battery. Flooded batteries like the EN500 are suitable for marine starting applications with standard energy needs. They offer reliable performance for marine use. The technology of this battery supports starting requirements in marine environments. You should consider this when buying Before 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 EN500, the circuit is 0, so the positive pole is on the right.